[Bug c++/80288] Using directive injects names into a wrong namespace

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80288

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Interesting,
ICC, GCC and MSVC all reject this with being ambiguous.
Only clang accepts it.