[PATCH] libstdc++: constexpr flat_set and flat_multiset

[Yuao Ma]

On Thu, Dec 11, 2025 at 9:52 PM Jonathan Wakely <jwakely@redhat.com> wrote:
>
> OK with those changes, thanks!
>

Testcases are updated as requested. Pushed as r16-6026-gbf9dd44a97400e.
Thanks for the review!