[Bug libstdc++/125388] integer division of simd::vec incorrect with -ffast-math

[mkretz at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125388

--- Comment #5 from Matthias Kretz (Vir) <mkretz at gcc dot gnu.org> ---
(In reply to Drea Pinski from comment #4)
> Yes it is.
> Use generic vectors here instead. Let the compiler do its job and let it
> decide if to use scalars or vectors here.

IOW, resolve this via PR90993? That PR got stuck on the question whether the
auto-vectorizer would be allowed to do this (because of FE_INEXACT). It is not
clear to me whether the optimization can only be done by a library
implementation.