[Bug libstdc++/96416] address_of() is broken by static_assert in pointer_traits

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96416

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
But on third thoughts, I don't know how to implement this reliably.