[Ping][PATCH] libstdc++: Implement P3223R2 Making std::istream::ignore less surprising

[Yuao Ma]

Friently ping~

On Sun, Nov 2, 2025 at 3:45 PM Yuao Ma <addr2line@gmail.com> wrote:
>
> Hi all,
>
> This patch implements paper P3223R2, which adds a new overload to
> std::istream::ignore for char_type.
> Since this function dates back to C++98, I've used type_traits from
> the ext rather than the std header to maintain compatibility.
>
> Please take a look when you have time.
>
> Thanks,
> Yuao