https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71161
--- Comment #7 from Ilya Enkovich <ienkovich at gcc dot gnu.org> --- (In reply to rguent...@suse.de from comment #6) > Well, the fact that libgo has a lot of execute fails doesn't point to > libsanitizer. Maybe to split-stack support, who knows. > > What is special about r236090 that would change behavior of glibc? I'm really surprised with this fallback. r236090 slightly extends STV and allows 64bit integer constants processing on xmm registers. I suppose particular glibc headers might just trigger some rare case and result in wrong code.