https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119977
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- >Anyway, this one bisects to r16-152-g4f7b3c24112016 with a mismatch in >gimple-match-6.o. On that note can you attach the preprocessed source of gimple-match-6.cc and the full command line used to compile it (with and without -fchecking=1/-fno-checking)?