[Bug c++/95870] ICE(segmentation fault) in most_general_template(), in gcc/cp/pt.c

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95870

--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Reduced, but invalid:

template <typename> class a {
public:
  a();
  int b = [] { enum E {}; };
};
class c : a<int> {
  c();
};
template <typename d> a<d>::a() = default;
c::c() {}