[Bug libstdc++/122818] std::experimental::simd miss-optimize mask computation of fixed_size_simd

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122818

--- Comment #7 from Sam James <sjames at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #1)
> So this is just non-optimal code, not wrong code?

(Indeed, sorry, I only skimmed it late.)