[Bug libstdc++/113074] std::to_address should be SFINAE safe

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

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

--- Comment #12 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Peter Kasting from comment #10)
> When Jose reported this issue in Chromium I pushed back on fixing on our
> side because I thought libstdc++ had the same issue. But this is a distinct
> issue; std::to_address<> is not required to be SFINAE-compatible even if
> std::pointer_traits<> now is.

Right, LWG 3545 did not touch std::to_address.