[Bug c++/70067] [5/6 Regression] internal compiler error: in strip_typedefs, at cp/tree.c:1466

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70067

--- Comment #4 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Creduce came up with the following:

template <class> struct App;
template <class> struct Dyn {
  typedef typename Dyn::Acc Acc;
  App<Acc> a;
};