Running examples in ‘agridat-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: gomez.nitrogen
> ### Title: Soil nitrogen at three times for eight fertilizer treatments
> ### Aliases: gomez.nitrogen
> ### Keywords: datasets
> 
> ### ** Examples
> 
> 
> library(agridat)
> 
> data(gomez.nitrogen)
> dat <- gomez.nitrogen
> 
> # Note the depletion of nitrogen over time (stage)
> libs(HH)
Installing package into ‘/tmp/RtmpO3HcDu/RLIBS_397fb92c999e43’
(as ‘lib’ is unspecified)
also installing the dependencies ‘rappdirs’, ‘jquerylib’, ‘memoise’, ‘sass’, ‘checkmate’, ‘htmlwidgets’, ‘rstudioapi’, ‘tinytex’, ‘xfun’, ‘yaml’, ‘highr’, ‘bslib’, ‘cachem’, ‘commonmark’, ‘fastmap’, ‘fontawesome’, ‘htmltools’, ‘httpuv’, ‘later’, ‘mime’, ‘otel’, ‘promises’, ‘sourcetools’, ‘xtable’, ‘htmlTable’, ‘base64enc’, ‘rmarkdown’, ‘knitr’, ‘gridExtra’, ‘leaps’, ‘shiny’, ‘Hmisc’, ‘Rmpfr’

* installing *source* package ‘rappdirs’ ...
** this is package ‘rappdirs’ version ‘0.3.3’
** package ‘rappdirs’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘gcc-15 (Debian 15.2.0-9) 15.2.0’
make[1]: Entering directory '/tmp/RtmpYuMJQq/R.INSTALL3a7b1c31d96e6e/rappdirs/src'
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c init.c -o init.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c win-path.c -o win-path.o
gcc-15 -shared -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -Wl,-O1 -o rappdirs.so init.o win-path.o -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -lR
make[1]: Leaving directory '/tmp/RtmpYuMJQq/R.INSTALL3a7b1c31d96e6e/rappdirs/src'
make[1]: Entering directory '/tmp/RtmpYuMJQq/R.INSTALL3a7b1c31d96e6e/rappdirs/src'
make[1]: Leaving directory '/tmp/RtmpYuMJQq/R.INSTALL3a7b1c31d96e6e/rappdirs/src'
installing to /tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/00LOCK-rappdirs/00new/rappdirs/libs
** R
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (rappdirs)
* installing *source* package ‘checkmate’ ...
** this is package ‘checkmate’ version ‘2.3.3’
** package ‘checkmate’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘gcc-15 (Debian 15.2.0-9) 15.2.0’
make[1]: Entering directory '/tmp/RtmpdKbZNz/R.INSTALL3a8a8733071d72/checkmate/src'
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c all_missing.c -o all_missing.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c any_infinite.c -o any_infinite.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c any_missing.c -o any_missing.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c any_nan.c -o any_nan.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c checks.c -o checks.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c find_nchar.c -o find_nchar.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c guess_type.c -o guess_type.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c helper.c -o helper.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c init.c -o init.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c integerish.c -o integerish.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c is_sorted.c -o is_sorted.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c qassert.c -o qassert.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c which_first.c -o which_first.o
gcc-15 -shared -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -Wl,-O1 -o checkmate.so all_missing.o any_infinite.o any_missing.o any_nan.o checks.o find_nchar.o guess_type.o helper.o init.o integerish.o is_sorted.o qassert.o which_first.o -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -lR
make[1]: Leaving directory '/tmp/RtmpdKbZNz/R.INSTALL3a8a8733071d72/checkmate/src'
make[1]: Entering directory '/tmp/RtmpdKbZNz/R.INSTALL3a8a8733071d72/checkmate/src'
make[1]: Leaving directory '/tmp/RtmpdKbZNz/R.INSTALL3a8a8733071d72/checkmate/src'
installing to /tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/00LOCK-checkmate/00new/checkmate/libs
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (checkmate)
* installing *source* package ‘rstudioapi’ ...
** this is package ‘rstudioapi’ version ‘0.17.1’
** package ‘rstudioapi’ successfully unpacked and MD5 sums checked
** using staged installation
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
*** copying figures
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (rstudioapi)
* installing *source* package ‘xfun’ ...
** this is package ‘xfun’ version ‘0.54’
** package ‘xfun’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘gcc-15 (Debian 15.2.0-9) 15.2.0’
make[1]: Entering directory '/tmp/RtmpPsobGO/R.INSTALL3ad2dc2b06d14e/xfun/src'
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c base64.c -o base64.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c init.c -o init.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c rand_lcg.c -o rand_lcg.o
gcc-15 -shared -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -Wl,-O1 -o xfun.so base64.o init.o rand_lcg.o -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -lR
make[1]: Leaving directory '/tmp/RtmpPsobGO/R.INSTALL3ad2dc2b06d14e/xfun/src'
make[1]: Entering directory '/tmp/RtmpPsobGO/R.INSTALL3ad2dc2b06d14e/xfun/src'
make[1]: Leaving directory '/tmp/RtmpPsobGO/R.INSTALL3ad2dc2b06d14e/xfun/src'
installing to /tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/00LOCK-xfun/00new/xfun/libs
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (xfun)
* installing *source* package ‘yaml’ ...
** this is package ‘yaml’ version ‘2.3.11’
** package ‘yaml’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘gcc-15 (Debian 15.2.0-9) 15.2.0’
make[1]: Entering directory '/tmp/RtmpQG2Ouy/R.INSTALL3b083626cb1aa/yaml/src'
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I. -DNDEBUG  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c api.c -o api.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I. -DNDEBUG  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c dumper.c -o dumper.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I. -DNDEBUG  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c emitter.c -o emitter.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I. -DNDEBUG  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c implicit.c -o implicit.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I. -DNDEBUG  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c loader.c -o loader.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I. -DNDEBUG  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c parser.c -o parser.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I. -DNDEBUG  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c r_emit.c -o r_emit.o
In file included from r_ext.h:19,
                 from r_emit.c:1:
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include/R_ext/PrtUtil.h:30:61: error: missing binary operator before token ‘(’
   30 | #if ! defined(COMPILING_RCPP) || RCPP_VERSION > Rcpp_Version(1,1,0)
      |                                                             ^
make[1]: *** [/home/hornik/tmp/R.check/r-devel-gcc/Work/build/etc/Makeconf:202: r_emit.o] Error 1
make[1]: Leaving directory '/tmp/RtmpQG2Ouy/R.INSTALL3b083626cb1aa/yaml/src'
ERROR: compilation failed for package ‘yaml’
* removing ‘/tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/yaml’
Warning in install.packages(p) :
  installation of package ‘yaml’ had non-zero exit status
* installing *source* package ‘commonmark’ ...
** this is package ‘commonmark’ version ‘2.0.0’
** package ‘commonmark’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘gcc-15 (Debian 15.2.0-9) 15.2.0’
make[1]: Entering directory '/tmp/RtmpvSowvS/R.INSTALL3b22b0426ad00b/commonmark/src'
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c extensions.c -o extensions.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c init.c -o init.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c wrapper.c -o wrapper.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/cmark.c -o cmark/cmark.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/node.c -o cmark/node.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/iterator.c -o cmark/iterator.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/blocks.c -o cmark/blocks.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/inlines.c -o cmark/inlines.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/scanners.c -o cmark/scanners.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/utf8.c -o cmark/utf8.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/buffer.c -o cmark/buffer.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/references.c -o cmark/references.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/render.c -o cmark/render.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/man.c -o cmark/man.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/xml.c -o cmark/xml.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/html.c -o cmark/html.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/commonmark.c -o cmark/commonmark.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/latex.c -o cmark/latex.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/houdini_href_e.c -o cmark/houdini_href_e.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/houdini_html_e.c -o cmark/houdini_html_e.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/houdini_html_u.c -o cmark/houdini_html_u.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/cmark_ctype.c -o cmark/cmark_ctype.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/arena.c -o cmark/arena.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/linked_list.c -o cmark/linked_list.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/plugin.c -o cmark/plugin.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/registry.c -o cmark/registry.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/syntax_extension.c -o cmark/syntax_extension.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/plaintext.c -o cmark/plaintext.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/footnotes.c -o cmark/footnotes.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cmark/map.c -o cmark/map.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c extensions/autolink.c -o extensions/autolink.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c extensions/core-extensions.c -o extensions/core-extensions.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c extensions/ext_scanners.c -o extensions/ext_scanners.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c extensions/strikethrough.c -o extensions/strikethrough.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c extensions/table.c -o extensions/table.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c extensions/tagfilter.c -o extensions/tagfilter.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Icmark -I. -DCMARK_GFM_STATIC_DEFINE -DCMARK_GFM_EXTENSIONS_STATIC_DEFINE -DR_NO_REMAP -DSTRICT_R_HEADERS  -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c extensions/tasklist.c -o extensions/tasklist.o
gcc-15 -shared -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -Wl,-O1 -o commonmark.so extensions.o init.o wrapper.o -Lcmark -lstatcmark -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -lR
make[1]: Leaving directory '/tmp/RtmpvSowvS/R.INSTALL3b22b0426ad00b/commonmark/src'
make[1]: Entering directory '/tmp/RtmpvSowvS/R.INSTALL3b22b0426ad00b/commonmark/src'
make[1]: Leaving directory '/tmp/RtmpvSowvS/R.INSTALL3b22b0426ad00b/commonmark/src'
installing to /tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/00LOCK-commonmark/00new/commonmark/libs
** R
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (commonmark)
* installing *source* package ‘fastmap’ ...
** this is package ‘fastmap’ version ‘1.2.0’
** package ‘fastmap’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘gcc-15 (Debian 15.2.0-9) 15.2.0’
using C++ compiler: ‘g++-15 (Debian 15.2.0-9) 15.2.0’
make[1]: Entering directory '/tmp/RtmpG245rK/R.INSTALL3baace10199910/fastmap/src'
g++-15 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Ilib/  -I/usr/local/include -D_FORTIFY_SOURCE=3  -DR_NO_REMAP -fpic  -g -O2 -Wall -pedantic -mtune=native   -c fastmap.cpp -o fastmap.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -Ilib/  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c init.c -o init.o
g++-15 -std=gnu++17 -shared -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -Wl,-O1 -o fastmap.so fastmap.o init.o -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -lR
make[1]: Leaving directory '/tmp/RtmpG245rK/R.INSTALL3baace10199910/fastmap/src'
make[1]: Entering directory '/tmp/RtmpG245rK/R.INSTALL3baace10199910/fastmap/src'
make[1]: Leaving directory '/tmp/RtmpG245rK/R.INSTALL3baace10199910/fastmap/src'
installing to /tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/00LOCK-fastmap/00new/fastmap/libs
** R
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (fastmap)
* installing *source* package ‘later’ ...
** this is package ‘later’ version ‘1.4.4’
** package ‘later’ successfully unpacked and MD5 sums checked
** using staged installation
Running configure script
-latomic linker flag not needed.
** libs
using C compiler: ‘gcc-15 (Debian 15.2.0-9) 15.2.0’
using C++ compiler: ‘g++-15 (Debian 15.2.0-9) 15.2.0’
make[1]: Entering directory '/tmp/RtmpDpeTQa/R.INSTALL3bdb5244920e89/later/src'
g++-15 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -pthread -DSTRICT_R_HEADERS -DRCPP_NO_MODULES  -I'/tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -pedantic -mtune=native   -c RcppExports.cpp -o RcppExports.o
g++-15 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -pthread -DSTRICT_R_HEADERS -DRCPP_NO_MODULES  -I'/tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -pedantic -mtune=native   -c callback_registry.cpp -o callback_registry.o
g++-15 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -pthread -DSTRICT_R_HEADERS -DRCPP_NO_MODULES  -I'/tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -pedantic -mtune=native   -c debug.cpp -o debug.o
g++-15 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -pthread -DSTRICT_R_HEADERS -DRCPP_NO_MODULES  -I'/tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -pedantic -mtune=native   -c fd.cpp -o fd.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -pthread -DSTRICT_R_HEADERS -DRCPP_NO_MODULES  -I'/tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c init.c -o init.o
g++-15 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -pthread -DSTRICT_R_HEADERS -DRCPP_NO_MODULES  -I'/tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -pedantic -mtune=native   -c later.cpp -o later.o
g++-15 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -pthread -DSTRICT_R_HEADERS -DRCPP_NO_MODULES  -I'/tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -pedantic -mtune=native   -c later_posix.cpp -o later_posix.o
g++-15 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -pthread -DSTRICT_R_HEADERS -DRCPP_NO_MODULES  -I'/tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -pedantic -mtune=native   -c later_win32.cpp -o later_win32.o
g++-15 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -pthread -DSTRICT_R_HEADERS -DRCPP_NO_MODULES  -I'/tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -pedantic -mtune=native   -c timer_posix.cpp -o timer_posix.o
g++-15 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -pthread -DSTRICT_R_HEADERS -DRCPP_NO_MODULES  -I'/tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -pedantic -mtune=native   -c timestamp_unix.cpp -o timestamp_unix.o
g++-15 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -pthread -DSTRICT_R_HEADERS -DRCPP_NO_MODULES  -I'/tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -pedantic -mtune=native   -c timestamp_win32.cpp -o timestamp_win32.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -pthread -DSTRICT_R_HEADERS -DRCPP_NO_MODULES  -I'/tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c tinycthread.c -o tinycthread.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -pthread -DSTRICT_R_HEADERS -DRCPP_NO_MODULES  -I'/tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c wref.c -o wref.o
g++-15 -std=gnu++17 -shared -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -Wl,-O1 -o later.so RcppExports.o callback_registry.o debug.o fd.o init.o later.o later_posix.o later_win32.o timer_posix.o timestamp_unix.o timestamp_win32.o tinycthread.o wref.o -pthread -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -lR
make[1]: Leaving directory '/tmp/RtmpDpeTQa/R.INSTALL3bdb5244920e89/later/src'
make[1]: Entering directory '/tmp/RtmpDpeTQa/R.INSTALL3bdb5244920e89/later/src'
make[1]: Leaving directory '/tmp/RtmpDpeTQa/R.INSTALL3bdb5244920e89/later/src'
installing to /tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/00LOCK-later/00new/later/libs
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (later)
* installing *source* package ‘mime’ ...
** this is package ‘mime’ version ‘0.13’
** package ‘mime’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘gcc-15 (Debian 15.2.0-9) 15.2.0’
make[1]: Entering directory '/tmp/RtmpG6L30C/R.INSTALL3c540962321496/mime/src'
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c init.c -o init.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c rawmatch.c -o rawmatch.o
gcc-15 -shared -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -Wl,-O1 -o mime.so init.o rawmatch.o -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -lR
make[1]: Leaving directory '/tmp/RtmpG6L30C/R.INSTALL3c540962321496/mime/src'
make[1]: Entering directory '/tmp/RtmpG6L30C/R.INSTALL3c540962321496/mime/src'
make[1]: Leaving directory '/tmp/RtmpG6L30C/R.INSTALL3c540962321496/mime/src'
installing to /tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/00LOCK-mime/00new/mime/libs
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (mime)
* installing *source* package ‘otel’ ...
** this is package ‘otel’ version ‘0.2.0’
** package ‘otel’ successfully unpacked and MD5 sums checked
** using staged installation
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (otel)
* installing *source* package ‘sourcetools’ ...
** this is package ‘sourcetools’ version ‘0.1.7-1’
** package ‘sourcetools’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘gcc-15 (Debian 15.2.0-9) 15.2.0’
using C++ compiler: ‘g++-15 (Debian 15.2.0-9) 15.2.0’
make[1]: Entering directory '/tmp/RtmphZWftC/R.INSTALL3c6ff959bd73da/sourcetools/src'
g++-15 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I../inst/include  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -pedantic -mtune=native   -c Reader.cpp -o Reader.o
g++-15 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I../inst/include  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -pedantic -mtune=native   -c Tokenizer.cpp -o Tokenizer.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I../inst/include  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c sourcetools-init.c -o sourcetools-init.o
g++-15 -std=gnu++17 -shared -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -Wl,-O1 -o sourcetools.so Reader.o Tokenizer.o sourcetools-init.o -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -lR
make[1]: Leaving directory '/tmp/RtmphZWftC/R.INSTALL3c6ff959bd73da/sourcetools/src'
make[1]: Entering directory '/tmp/RtmphZWftC/R.INSTALL3c6ff959bd73da/sourcetools/src'
make[1]: Leaving directory '/tmp/RtmphZWftC/R.INSTALL3c6ff959bd73da/sourcetools/src'
installing to /tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/00LOCK-sourcetools/00new/sourcetools/libs
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (sourcetools)
* installing *source* package ‘xtable’ ...
** this is package ‘xtable’ version ‘1.8-4’
** package ‘xtable’ successfully unpacked and MD5 sums checked
** using staged installation
** R
** data
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (xtable)
* installing *source* package ‘base64enc’ ...
** this is package ‘base64enc’ version ‘0.1-3’
** package ‘base64enc’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘gcc-15 (Debian 15.2.0-9) 15.2.0’
make[1]: Entering directory '/tmp/Rtmpv0Sr82/R.INSTALL3ca2212a2b9978/base64enc/src'
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c base64.c -o base64.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c uriencode.c -o uriencode.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c utf8.c -o utf8.o
gcc-15 -shared -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -Wl,-O1 -o base64enc.so base64.o uriencode.o utf8.o -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -lR
make[1]: Leaving directory '/tmp/Rtmpv0Sr82/R.INSTALL3ca2212a2b9978/base64enc/src'
make[1]: Entering directory '/tmp/Rtmpv0Sr82/R.INSTALL3ca2212a2b9978/base64enc/src'
make[1]: Leaving directory '/tmp/Rtmpv0Sr82/R.INSTALL3ca2212a2b9978/base64enc/src'
installing to /tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/00LOCK-base64enc/00new/base64enc/libs
** R
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (base64enc)
* installing *source* package ‘gridExtra’ ...
** this is package ‘gridExtra’ version ‘2.3’
** package ‘gridExtra’ successfully unpacked and MD5 sums checked
** using staged installation
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (gridExtra)
* installing *source* package ‘leaps’ ...
** this is package ‘leaps’ version ‘3.2’
** package ‘leaps’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘gcc-15 (Debian 15.2.0-9) 15.2.0’
using Fortran compiler: ‘GNU Fortran (Debian 15.2.0-9) 15.2.0’
make[1]: Entering directory '/tmp/RtmpLvguFu/R.INSTALL3ccc7569339163/leaps/src'
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c init.c -o init.o
gfortran-15  -fpic  -g -O2 -Wall -pedantic -mtune=native  -c leaps.f -o leaps.o
gfortran-15  -fpic  -g -O2 -Wall -pedantic -mtune=native  -c leapshdr.f -o leapshdr.o
gcc-15 -shared -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -Wl,-O1 -o leaps.so init.o leaps.o leapshdr.o -lgfortran -lm -lquadmath -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -lR
make[1]: Leaving directory '/tmp/RtmpLvguFu/R.INSTALL3ccc7569339163/leaps/src'
make[1]: Entering directory '/tmp/RtmpLvguFu/R.INSTALL3ccc7569339163/leaps/src'
make[1]: Leaving directory '/tmp/RtmpLvguFu/R.INSTALL3ccc7569339163/leaps/src'
installing to /tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/00LOCK-leaps/00new/leaps/libs
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (leaps)
* installing *source* package ‘Rmpfr’ ...
** this is package ‘Rmpfr’ version ‘1.1-2’
** package ‘Rmpfr’ successfully unpacked and MD5 sums checked
** using staged installation
checking for gcc... gcc-15
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether the compiler supports GNU C... yes
checking whether gcc-15 accepts -g... yes
checking for gcc-15 option to enable C11 features... none needed
checking how to run the C preprocessor... gcc-15 -E
checking for stdio.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for strings.h... yes
checking for sys/stat.h... yes
checking for sys/types.h... yes
checking for unistd.h... yes
checking for mpfr.h... yes
checking for gmp.h... yes
checking for __gmpz_init in -lgmp... yes
checking for mpfr_init in -lmpfr... yes
checking for mpfr_digamma in -lmpfr... yes
checking size of mp_limb_t... 8
checking size of mpfr_prec_t... 8
checking size of mpfr_exp_t... 8
configure: creating ./config.status
config.status: creating src/Makevars
config.status: creating src/config.h
** libs
using C compiler: ‘gcc-15 (Debian 15.2.0-9) 15.2.0’
make[1]: Entering directory '/tmp/Rtmpw5DwWp/R.INSTALL3ce3e17421fd42/Rmpfr/src'
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -DHAVE_CONFIG_H  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c Ops.c -o Ops.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -DHAVE_CONFIG_H  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c Summary.c -o Summary.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -DHAVE_CONFIG_H  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c convert.c -o convert.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -DHAVE_CONFIG_H  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c init.c -o init.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -DHAVE_CONFIG_H  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c utils.c -o utils.o
gcc-15 -shared -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -Wl,-O1 -o Rmpfr.so Ops.o Summary.o convert.o init.o utils.o -lmpfr -lgmp -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -lR
make[1]: Leaving directory '/tmp/Rtmpw5DwWp/R.INSTALL3ce3e17421fd42/Rmpfr/src'
make[1]: Entering directory '/tmp/Rtmpw5DwWp/R.INSTALL3ce3e17421fd42/Rmpfr/src'
make[1]: Leaving directory '/tmp/Rtmpw5DwWp/R.INSTALL3ce3e17421fd42/Rmpfr/src'
installing to /tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/00LOCK-Rmpfr/00new/Rmpfr/libs
** R
** demo
** inst
** byte-compile and prepare package for lazy loading
Creating a generic function for ‘factorial’ from package ‘base’ in package ‘Rmpfr’
Creating a generic function for ‘diag’ from package ‘base’ in package ‘Rmpfr’
Creating a generic function for ‘diag<-’ from package ‘base’ in package ‘Rmpfr’
Creating a new generic function for ‘cbind’ in package ‘Rmpfr’
Creating a new generic function for ‘rbind’ in package ‘Rmpfr’
Creating a generic function for ‘colSums’ from package ‘base’ in package ‘Rmpfr’
Creating a generic function for ‘colMeans’ from package ‘base’ in package ‘Rmpfr’
Creating a generic function for ‘rowSums’ from package ‘base’ in package ‘Rmpfr’
Creating a generic function for ‘rowMeans’ from package ‘base’ in package ‘Rmpfr’
Creating a generic function for ‘norm’ from package ‘base’ in package ‘Rmpfr’
in method for ‘show’ with signature ‘"integrateR"’: no definition for class “integrateR”
Creating a new generic function for ‘pmin’ in package ‘Rmpfr’
Creating a new generic function for ‘pmax’ in package ‘Rmpfr’
Creating a generic function for ‘atan2’ from package ‘base’ in package ‘Rmpfr’
Creating a generic function for ‘beta’ from package ‘base’ in package ‘Rmpfr’
Creating a generic function for ‘lbeta’ from package ‘base’ in package ‘Rmpfr’
** help
*** installing help indices
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (Rmpfr)
* installing *source* package ‘tinytex’ ...
** this is package ‘tinytex’ version ‘0.58’
** package ‘tinytex’ successfully unpacked and MD5 sums checked
** using staged installation
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (tinytex)
* installing *source* package ‘highr’ ...
** this is package ‘highr’ version ‘0.11’
** package ‘highr’ successfully unpacked and MD5 sums checked
** using staged installation
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (highr)
* installing *source* package ‘cachem’ ...
** this is package ‘cachem’ version ‘1.1.0’
** package ‘cachem’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘gcc-15 (Debian 15.2.0-9) 15.2.0’
make[1]: Entering directory '/tmp/RtmpDChxT3/R.INSTALL3db55879e1db21/cachem/src'
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c cache.c -o cache.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c init.c -o init.o
gcc-15 -shared -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -Wl,-O1 -o cachem.so cache.o init.o -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -lR
make[1]: Leaving directory '/tmp/RtmpDChxT3/R.INSTALL3db55879e1db21/cachem/src'
make[1]: Entering directory '/tmp/RtmpDChxT3/R.INSTALL3db55879e1db21/cachem/src'
make[1]: Leaving directory '/tmp/RtmpDChxT3/R.INSTALL3db55879e1db21/cachem/src'
installing to /tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/00LOCK-cachem/00new/cachem/libs
** R
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (cachem)
* installing *source* package ‘htmltools’ ...
** this is package ‘htmltools’ version ‘0.5.9’
** package ‘htmltools’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘gcc-15 (Debian 15.2.0-9) 15.2.0’
make[1]: Entering directory '/tmp/RtmpVdSUE1/R.INSTALL3dd6404dfb9c58/htmltools/src'
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c init.c -o init.o
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c template.c -o template.o
gcc-15 -shared -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -Wl,-O1 -o htmltools.so init.o template.o -L/home/hornik/tmp/R.check/r-devel-gcc/Work/build/lib -lR
make[1]: Leaving directory '/tmp/RtmpVdSUE1/R.INSTALL3dd6404dfb9c58/htmltools/src'
make[1]: Entering directory '/tmp/RtmpVdSUE1/R.INSTALL3dd6404dfb9c58/htmltools/src'
make[1]: Leaving directory '/tmp/RtmpVdSUE1/R.INSTALL3dd6404dfb9c58/htmltools/src'
installing to /tmp/RtmpO3HcDu/RLIBS_397fb92c999e43/00LOCK-htmltools/00new/htmltools/libs
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
*** copying figures
** building package indices
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (htmltools)
* installing *source* package ‘promises’ ...
** this is package ‘promises’ version ‘1.5.0’
** package ‘promises’ successfully unpacked and MD5 sums checked
** using staged installation
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
*** copying figures
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (promises)
* installing *source* package ‘jquerylib’ ...
** this is package ‘jquerylib’ version ‘0.1.4’
** package ‘jquerylib’ successfully unpacked and MD5 sums checked
** using staged installation
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (jquerylib)
* installing *source* package ‘memoise’ ...
** this is package ‘memoise’ version ‘2.0.1’
** package ‘memoise’ successfully unpacked and MD5 sums checked
** using staged installation
** R
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (memoise)
* installing *source* package ‘sass’ ...
** this is package ‘sass’ version ‘0.4.10’
** package ‘sass’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘gcc-15 (Debian 15.2.0-9) 15.2.0’
using C++ compiler: ‘g++-15 (Debian 15.2.0-9) 15.2.0’
make[1]: Entering directory '/tmp/RtmptFszxd/R.INSTALL3e35d41cc0261f/sass/src'
gcc-15 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I./libsass/include  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c compile.c -o compile.o
g++-15 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I./libsass/include  -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -pedantic -mtune=native   -c init.cpp -o init.o
MAKEFLAGS= CC="gcc-15" CFLAGS="-g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native " CXX="g++-15 -std=gnu++17" AR="ar" LDFLAGS="-Wl,-O1" make -C libsass
make[2]: Entering directory '/tmp/RtmptFszxd/R.INSTALL3e35d41cc0261f/sass/src/libsass'
gcc-15 -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -O2 -I ./include  -fPIC -c -o src/cencode.o src/cencode.c
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/ast.o src/ast.cpp
In file included from src/ast.cpp:5:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/ast_values.o src/ast_values.cpp
In file included from src/ast_values.cpp:4:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/ast_supports.o src/ast_supports.cpp
In file included from src/ast_supports.cpp:4:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/ast_sel_cmp.o src/ast_sel_cmp.cpp
In file included from src/ast_selectors.hpp:7,
                 from src/ast_sel_cmp.cpp:5:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/ast_sel_unify.o src/ast_sel_unify.cpp
In file included from src/ast_sel_unify.cpp:5:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/ast_sel_super.o src/ast_sel_super.cpp
In file included from src/ast_sel_super.cpp:4:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/ast_sel_weave.o src/ast_sel_weave.cpp
In file included from src/ast_sel_weave.cpp:5:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/ast_selectors.o src/ast_selectors.cpp
In file included from src/ast_selectors.cpp:5:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/context.o src/context.cpp
In file included from src/context.cpp:4:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:18:
src/operation.hpp:138:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
In file included from src/expand.hpp:7,
                 from src/context.cpp:17:
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:142:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:146:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:147:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:150:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:162:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:149:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:134:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:139:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:194:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:183:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:168:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:172:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:176:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:140:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:144:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:145:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:163:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:160:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:143:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:173:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:137:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:141:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:206:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:193:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:161:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/constants.o src/constants.cpp
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/fn_utils.o src/fn_utils.cpp
In file included from src/parser.hpp:11,
                 from src/fn_utils.cpp:5:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/fn_miscs.o src/fn_miscs.cpp
In file included from src/fn_miscs.cpp:1:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:18:
src/operation.hpp:143:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
In file included from src/expand.hpp:7,
                 from src/fn_miscs.cpp:2:
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:137:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:147:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:141:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:162:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:150:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:183:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:142:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:146:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:134:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:140:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:163:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:168:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:172:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:206:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:145:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:139:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:193:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:160:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:176:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:149:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:173:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:144:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:194:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:161:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:138:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/fn_maps.o src/fn_maps.cpp
In file included from src/values.hpp:4,
                 from src/operators.hpp:4,
                 from src/fn_maps.cpp:1:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/fn_lists.o src/fn_lists.cpp
In file included from src/values.hpp:4,
                 from src/operators.hpp:4,
                 from src/fn_lists.cpp:6:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/operation.hpp:15,
                 from src/listize.hpp:9,
                 from src/fn_lists.cpp:5:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/fn_colors.o src/fn_colors.cpp
In file included from src/fn_colors.cpp:6:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/fn_numbers.o src/fn_numbers.cpp
In file included from src/fn_numbers.cpp:15:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/fn_strings.o src/fn_strings.cpp
In file included from src/fn_strings.cpp:6:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/fn_selectors.o src/fn_selectors.cpp
In file included from src/parser.hpp:11,
                 from src/fn_selectors.cpp:3:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/color_maps.o src/color_maps.cpp
In file included from src/color_maps.cpp:5:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/environment.o src/environment.cpp
In file included from src/environment.cpp:2:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/ast_fwd_decl.o src/ast_fwd_decl.cpp
In file included from src/ast_fwd_decl.cpp:1:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/bind.o src/bind.cpp
In file included from src/bind.cpp:3:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/environment.hpp:11,
                 from src/bind.hpp:6,
                 from src/bind.cpp:2:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:18:
src/operation.hpp:149:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
In file included from src/expand.hpp:7,
                 from src/bind.cpp:6:
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:183:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:140:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:163:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:139:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:172:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:145:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:194:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:176:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:160:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:143:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:138:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:206:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:173:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:142:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:134:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:137:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:161:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:146:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:150:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:147:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:144:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:193:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:168:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:141:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:162:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/file.o src/file.cpp
In file included from src/context.hpp:7,
                 from src/file.cpp:21:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/util.o src/util.cpp
In file included from src/util.cpp:3:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/util_string.o src/util_string.cpp
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/json.o src/json.cpp
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/units.o src/units.cpp
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/values.o src/values.cpp
In file included from src/values.hpp:4,
                 from src/values.cpp:6:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/plugins.o src/plugins.cpp
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/source.o src/source.cpp
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/position.o src/position.cpp
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/lexer.o src/lexer.cpp
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/parser.o src/parser.cpp
In file included from src/parser.hpp:11,
                 from src/parser.cpp:5:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/parser_selectors.o src/parser_selectors.cpp
In file included from src/parser.hpp:11,
                 from src/parser_selectors.cpp:5:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/prelexer.o src/prelexer.cpp
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/eval.o src/eval.cpp
In file included from src/eval.hpp:7,
                 from src/eval.cpp:13:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:18:
src/operation.hpp:168:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:172:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:176:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:140:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:144:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:161:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:160:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:134:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:206:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:173:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:143:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:150:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:194:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:138:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:142:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:145:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:147:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:146:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:162:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:137:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:139:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:141:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:149:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:183:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:163:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:193:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/eval_selectors.o src/eval_selectors.cpp
In file included from src/expand.hpp:6,
                 from src/eval_selectors.cpp:4:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:18:
src/operation.hpp:140:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
In file included from src/expand.hpp:7:
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:183:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:172:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:146:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:150:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:176:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:149:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:137:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:145:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:193:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:160:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:206:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:161:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:173:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:138:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:141:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:194:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:163:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:143:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:134:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:139:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:147:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:142:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:144:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:162:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:168:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/expand.o src/expand.cpp
In file included from src/expand.cpp:8:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:18:
src/operation.hpp:163:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
In file included from src/expand.hpp:7,
                 from src/expand.cpp:9:
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:168:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:143:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:144:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:172:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:176:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:193:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:160:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:138:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:173:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:140:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:142:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:146:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:150:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:194:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:161:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:134:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:162:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:137:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:183:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:139:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:141:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:206:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:145:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:147:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
src/operation.hpp:149:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/listize.o src/listize.cpp
In file included from src/context.hpp:7,
                 from src/listize.cpp:10:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/operation.hpp:15,
                 from src/listize.hpp:9,
                 from src/listize.cpp:9:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/cssize.o src/cssize.cpp
In file included from src/cssize.hpp:4,
                 from src/cssize.cpp:9:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/extender.o src/extender.cpp
In file included from src/extender.cpp:4:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/extension.o src/extension.cpp
In file included from src/extension.cpp:7:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:310:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:407:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:349:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:459:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  459 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:501:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  501 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/stylesheet.o src/stylesheet.cpp
g++-15 -std=gnu++17 -Wall -O2 -std=c++11 -I ./include  -fPIC -c -o src/output.o src/output.cpp
In file included from src/output.cpp:5:
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from src/ast.hpp:1053:
src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from src/ast.hpp:14:
src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/ast.hpp:1055:
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
src/ast_selectors.hpp:203:10: