[Bug c++/90505] [9/10 Regression] g++ rejects a valid code

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90505

--- Comment #8 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Test from Bug 92221:

template <typename> class a {
  using b = int;
  using c = int;
  b d;
  void e() { g<c>(d); }
  template <typename... f> static void g(f...);
};