1// { dg-do assemble } 2 3template <class T> 4struct S 5{ 6 template <class U = T> 7 friend class S; 8 9 void f(T); 10}; 11 12template struct S<int>; 13 14void g() 15{ 16 S<> s; 17 s.f(3); 18} 19