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.

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