Found the following significant warnings:
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/src/Kiwi.cpp:351:25: warning: ‘kiwi::MInfo::ownFormId’ will be initialized after [-Wreorder]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/src/Kiwi.cpp:346:26: warning:   ‘uint32_t kiwi::MInfo::beginPos’ [-Wreorder]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/src/Kiwi.cpp:352:17: warning:   when initialized here [-Wreorder]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/src/KiwiBuilder.cpp:39:105: warning: default argument specified for lambda parameter [-Wc++14-extensions]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/include/kiwi/Kiwi.h:376:29: warning: ‘kiwi::KiwiBuilder::options’ will be initialized after [-Wreorder]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/include/kiwi/Kiwi.h:375:24: warning:   ‘size_t kiwi::KiwiBuilder::numThreads’ [-Wreorder]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/src/KiwiBuilder.cpp:323:1: warning:   when initialized here [-Wreorder]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/third_party/cpp-btree/btree/btree.h:645:37: warning: array subscript ‘btree::btree_node<btree::btree_map_params<std::pair<short unsigned int, short unsigned int>, long unsigned int, std::less<std::pair<short unsigned int, short unsigned int> >, std::allocator<std::pair<const std::pair<short unsigned int, short unsigned int>, long unsigned int> >, 256> >[0]’ is partly outside array bounds of ‘unsigned char [504]’ [-Warray-bounds]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/third_party/cpp-btree/btree/btree.h:646:35: warning: array subscript ‘btree::btree_node<btree::btree_map_params<std::pair<short unsigned int, short unsigned int>, long unsigned int, std::less<std::pair<short unsigned int, short unsigned int> >, std::allocator<std::pair<const std::pair<short unsigned int, short unsigned int>, long unsigned int> >, 256> >[0]’ is partly outside array bounds of ‘unsigned char [504]’ [-Warray-bounds]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/third_party/cpp-btree/btree/btree.h:645:37: warning: array subscript ‘btree::btree_node<btree::btree_map_params<short unsigned int, int, std::less<short unsigned int>, std::allocator<std::pair<const short unsigned int, int> >, 256> >[0]’ is partly outside array bounds of ‘unsigned char [664]’ [-Warray-bounds]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/third_party/cpp-btree/btree/btree.h:646:35: warning: array subscript ‘btree::btree_node<btree::btree_map_params<short unsigned int, int, std::less<short unsigned int>, std::allocator<std::pair<const short unsigned int, int> >, 256> >[0]’ is partly outside array bounds of ‘unsigned char [664]’ [-Warray-bounds]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/third_party/cpp-btree/btree/btree.h:645:37: warning: array subscript ‘btree::btree_node<btree::btree_map_params<char16_t, int, std::less<char16_t>, std::allocator<std::pair<const char16_t, int> >, 256> >[0]’ is partly outside array bounds of ‘unsigned char [664]’ [-Warray-bounds]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/third_party/cpp-btree/btree/btree.h:646:35: warning: array subscript ‘btree::btree_node<btree::btree_map_params<char16_t, int, std::less<char16_t>, std::allocator<std::pair<const char16_t, int> >, 256> >[0]’ is partly outside array bounds of ‘unsigned char [664]’ [-Warray-bounds]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/src/KTrie.cpp:53:37: warning: default argument specified for lambda parameter [-Wc++14-extensions]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/src/KTrie.cpp:53:63: warning: default argument specified for lambda parameter [-Wc++14-extensions]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/src/pattern.hpp:144:78: warning: array subscript 0 is outside array bounds of ‘PatternMatcherImpl [1]’ [-Warray-bounds]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/third_party/mimalloc/include/mimalloc-internal.h:56:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/third_party/mimalloc/src/os.c:98:8: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/third_party/mimalloc/src/region.c:43:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/third_party/mimalloc/src/alloc.c:750:15: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/third_party/mimalloc/src/alloc.c:810:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/third_party/mimalloc/src/alloc.c:813:39: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/third_party/mimalloc/src/alloc.c:816:26: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/third_party/mimalloc/src/options.c:25:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  /home/hornik/tmp/scratch/RtmpIX6pCh/R.INSTALLef03147029b29/elbird/Kiwi/third_party/mimalloc/src/options.c:245:13: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/elbird.Rcheck/00install.out’ for details.
* used C++ compiler: ‘g++-12 (Debian 12.2.0-14) 12.2.0’