https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107136
--- Comment #4 from David Binderman <dcb314 at hotmail dot com> --- (In reply to Andrew Pinski from comment #3) > This is most likely the fix but I don't have time to test it right now" The obvious copy seems to fix the problem: [/home/dcb/gcc/trunk.git] $ cp ./gcc/cp/cp-trait.def ../results.20221003/lib/gcc/x86_64-pc-linux-gnu/13.0.0/plugin/include/cp/ [/home/dcb/gcc/trunk.git] $