[PATCH] libstdc++: Skip integer division optimization for Clang

[Jonathan Wakely]

On Tue, 21 Mar 2023 at 17:06, Matthias Kretz via Libstdc++ <
libstdc++@gcc.gnu.org> wrote:

> Tested on x86_64-pc-linux-gnu.
>
> --------- 8< -----------
>
> Clang ICEs on _SimdImplX86::_S_divides. The function is only working
> around a missed optimization and not necessary for correctness.
> Therefore, don't use it for Clang.
>
> Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
>
> libstdc++-v3/ChangeLog:
>
>         * include/experimental/bits/simd_detail.h: Don't define
>         _GLIBCXX_SIMD_WORKAROUND_PR90993 for Clang.
>         * include/experimental/bits/simd_x86.h (_S_divides): Remove
>         check for __clang__.


OK