[Bug c++/125038] C++ concept is not checked correctly.

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125038

--- Comment #2 from Drea Pinski <pinskia at gcc dot gnu.org> ---
>The requirement fails but the static_assert is valid. 

For GCC 16, both fail.