Re: [PATCH 1/7] libstdc++: Ensure __builtin_constant_p isn't lost on the way

[Jonathan Wakely via Gcc-patches]

On Wed, 15 Feb 2023 at 20:49, Matthias Kretz via Libstdc++
<libstd...@gcc.gnu.org> wrote:
>
>
>
> The more expensive code path should only be taken if it can be optimized
> away.
>
> Signed-off-by: Matthias Kretz <m.kr...@gsi.de>
>
> libstdc++-v3/ChangeLog:
>
>         * include/experimental/bits/simd.h
>         (_SimdWrapper::_M_is_constprop_none_of)
>         (_SimdWrapper::_M_is_constprop_all_of): Return false unless the
>         computed result still satisfies __builtin_constant_p.

OK for trunk/12/11.