[Bug c++/125184] Unable to use using declaration with std::meta::info

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125184

--- Comment #1 from Drea Pinski <pinskia at gcc dot gnu.org> ---
Reduced to:
```
using info = decltype(^^::);
void f()  {
    using ::info;
}
```