[PATCH] libstdc++: constexpr flat_map and flat_multimap

[Yuao Ma]

Friendly ping~

On Fri, Dec 12, 2025 at 7:38 PM Yuao Ma <addr2line@gmail.com> wrote:
>
> Hi all,
>
> This patch is a follow-up to r16-6026-gbf9dd44a97400e. It makes
> flat_map and flat_multimap constexpr as part of P3372R3.
> Tested on x86_64-linux. OK for trunk?
>
> Yuao