https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96472

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|needs-reduction             |ice-on-valid-code

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
template <typename> class b;
template <typename> struct B;
template <typename c> struct B<b<c>> { using d = c; };
class f {
public:
  f(char *);
  ~f();
};
template <typename e> struct g { typedef typename B<e>::d d; };
template <typename c, typename e = b<c>> class h : g<e> {};
void i() {
  typedef struct {
    f j;
  } k;
  h<k> a;
  k{""};
}

guess the templates can be simplified manually a bit.

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