[Bug c++/116640] Inconsistent compiler rules when using private types as default template parameters

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116640

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
>For comparison, Clang and MSVC accept both Inner1 and Inner2.

EDG also accepts both.