[Bug c++/121299] conflicting namespace resolution

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121299

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Related paper:
https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2020/p1701r1.pdf