https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99132
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- template <class T> struct A { T c; }; template <class T> struct B { A<T> d; constexpr T operator->() { return d.c; } B(B &&); }; struct C { virtual void foo (); void bar (B<C *> h) { h->foo (); } };