[PATCH] libstdc++: Add missing constexpr to simd_neon

[Jonathan Wakely]

On Tue, 23 May 2023 at 22:57, Matthias Kretz via Libstdc++ <
libstdc++@gcc.gnu.org> wrote:

>
> Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
>
> libstdc++-v3/ChangeLog:
>
>         PR libstdc++/109261
>         * include/experimental/bits/simd_neon.h (_S_reduce): Add
>         constexpr and make NEON implementation conditional on
>         not __builtin_is_constant_evaluated.
>

OK