[Bug libstdc++/118635] P2510R3 "Formatting pointers" is not available in C++20

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118635

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
and yes I tested the trunk to see it works with -std=c++20 now unlike GCC
14.2.0 rejects it.