[Bug c++/94057] [9/10 Regression] -std=gnu++20 causes failure naming nested templated class since r9-4536

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94057

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|ASSIGNED                    |RESOLVED

--- Comment #7 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Fixed.  I don't think I want to backport this one.  To make it work with G++ 9,
add the template keyword.