[Bug c++/70513] [4.9/5/6 Regression] ICE on invalid C++ code on x86_64-linux-gnu: Segmentation fault

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70513

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
All right, I've got it now: we need to catch the extra qualification, similarly
as in

struct T
{
  struct U;
  struct T::U {};
};

I've got a patch.