[Bug c++/59173] [12/13/14/15 Regression] Alias template in partial specialization finds name from primary template

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59173

--- Comment #11 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
See my analysis in https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118347#c4 about
why this is valid C++17 at least.