[Bug libstdc++/124722] [16 Regression] i686-linux simd test failures

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124722

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Matthias Kretz (Vir) from comment #1)
> The simplest fix would be to disable std::simd altogether on i686. I can,
> however reuse the solutions from std::experimental::simd to resolve these. I
> would prefer to only support x86_64 for GCC 16, though.

That makes sense to me. The goal is to make it available for users to
experiment with, but anything which is difficult to support should just be
disabled for now.