[Bug libstdc++/113074] requires requires should be SFINAE

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113074

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #1)
> Oh
> https://cplusplus.github.io/LWG/issue3545

Whoops wrong one.