[Bug c++/123186] [16 Regression] internal compiler error: in lookup_member, at cp/search.cc:1197 since r16-6145

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123186

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
clang++ complains on this about missing template keyword, g++ didn't.
template <class T>
struct A : T {
  typename A<T>::template B<> C;
};
started to ICE the same and was accepted before.