1 // RUN: clang-cc -fsyntax-only -verify %s 2 3 template<typename T> struct A { 4 void f() { } 5 struct N { }; // expected-note{{target of using declaration}} 6 }; 7 8 template<typename T> struct B : A<T> { 9 using A<T>::f; 10 using A<T>::N; // expected-error{{dependent using declaration resolved to type without 'typename'}} 11 12 using A<T>::foo; // expected-error{{no member named 'foo'}} 13 using A<double>::f; // expected-error{{using declaration refers into 'A<double>::', which is not a base class of 'B<int>'}} 14 }; 15 16 B<int> a; // expected-note{{in instantiation of template class 'struct B<int>' requested here}} 17 18 template<typename T> struct C : A<T> { 19 using A<T>::f; 20 21 void f() { }; 22 }; 23 24 template <typename T> struct D : A<T> { 25 using A<T>::f; 26 27 void f(); 28 }; 29 30 template<typename T> void D<T>::f() { } 31 32 template<typename T> struct E : A<T> { 33 using A<T>::f; 34 35 void g() { f(); } 36 }; 37 38 namespace test0 { 39 struct Base { 40 int foo; 41 }; 42 template<typename T> struct E : Base { 43 using Base::foo; 44 }; 45 46 template struct E<int>; 47 } 48