1 // Origin PR c++/47311 2 // { dg-do compile } 3 4 template < typename > class A0; 5 template <class Key, class T, template < typename TF = T> class TC = A0> class B0; 6 7 template <int> class A1; 8 template <class Key, class T, template <T p> class TC = A1> class B1; 9