// PR c++/68936

class A {};

struct predefined_macros {
  struct B {
    A (predefined_macros::*generator)();
  };
};

template <typename> class C {
  void m_fn1();
  predefined_macros predef;
};

predefined_macros::B m;

template <typename ContextT> void C<ContextT>::m_fn1() {
  (predef.*m.generator)();
}