https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108250
--- Comment #8 from Arsen Arsenović <arsen at aarsen dot me> --- Created attachment 54166 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54166&action=edit xz'd preprocessed CodeGenDagPatterns.cpp Cmdline: [220/231] /usr/bin/g++-12 -DGTEST_HAS_RTTI=0 -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/root/llvm-project/bisect-maybe-broken/utils/TableGen -I/root/llvm-project/llvm/utils/TableGen -I/root/llvm-project/bisect-maybe-broken/include -I/root/llvm-project/llvm/include -O2 -mcpu=powerpc -mtune=powerpc -pipe -ggdb -D_GLIBCXX_ASSERTIONS=1 -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-maybe-uninitialized -Wno-class-memaccess -Wno-redundant-move -Wno-pessimizing-move -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O2 -g -DNDEBUG -fno-exceptions -fno-rtti -std=c++17 -save-temps=cwd -MD -MT utils/TableGen/CMakeFiles/llvm-tblgen.dir/CodeGenDAGPatterns.cpp.o -MF utils/TableGen/CMakeFiles/llvm-tblgen.dir/CodeGenDAGPatterns.cpp.o.d -o utils/TableGen/CMakeFiles/llvm-tblgen.dir/CodeGenDAGPatterns.cpp.o -c /root/llvm-project/llvm/utils/TableGen/CodeGenDAGPatterns.cpp This is preprocessed by the version with a revert, so the produced assembly does work, but I have doubts that this matters (copying in the compile from the bad case and linking against these files still acts like the bad case).