5 struct X0 { // expected-note {{candidate constructor (the implicit copy constructor) not viable}}  struct
9   X0(int); // expected-note{{candidate}}
10   template<typename T> X0(T); // expected-note {{candidate}}
11   template<typename T, typename U> X0(T*, U*); // expected-note {{candidate}}
14   template<typename T> X0() : f0(T::foo) {} // expected-note {{candidate}}  in X0()  argument
18 void accept_X0(X0);  argument
21   X0 x0a(i);  in test_X0()
22   X0 x0b(f);  in test_X0()
23   X0 x0c = i;  in test_X0()
24   X0 x0d = f;  in test_X0()
29   X0 x0e(&i, &f);  in test_X0()
30   X0 x0f(&f, &i);  in test_X0()
32   X0 x0g(f, &i); // expected-error{{no matching constructor}}  in test_X0()