https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87299
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |jakub at gcc dot gnu.org
--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Gwenole Beauchesne from comment #8)
> Hi, can you please consider a backport to GCC 13 branch? The patch applies
> cleanly as is, but causes regressions that are further fixed with e45c564e
> (for PR pch/112319).
>
> GCC 13 is the first and most complete compiler for modern C++ (>= C++20)
> support and readily available, or soon available, as the system compiler for
> major distributions. This is useful to C++ projects that (debately) use
> multiple wrappers for SIMD support (xsimd, simde, mipp, etc.), but without
> correct support for runtime dispatching. So, using #pragma GCC target is a
> handy solution for that.
No, this certainly shouldn't be backported, it is a significant behavior change
which is something that shouldn't be done on release branches.
E.g. it breaks simdutf, see https://github.com/simdutf/simdutf/issues/391
