1 // RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s 2 template<typename T> 3 class X0 { 4 friend T; 5 }; 6 7 class Y1 { }; 8 enum E1 { }; 9 X0<Y1> x0a; 10 X0<Y1 *> x0b; 11 X0<int> x0c; 12 X0<E1> x0d; 13 14 template<typename T> 15 class X1 { 16 friend typename T::type; // expected-error{{no type named 'type' in 'Y1'}} 17 }; 18 19 struct Y2 { 20 struct type { }; 21 }; 22 23 struct Y3 { 24 typedef int type; 25 }; 26 27 X1<Y2> x1a; 28 X1<Y3> x1b; 29 X1<Y1> x1c; // expected-note{{in instantiation of template class 'X1<Y1>' requested here}} 30 31 template<typename T> class B; 32 33 template<typename T> 34 class A { 35 T x; 36 public: 37 class foo {}; 38 static int y; 39 template <typename S> friend class B<S>::ty; 40 }; 41 42 template <typename T> class B { typedef int ty; }; 43 44 struct { 45 // Ill-formed 46 int friend; // expected-error {{'friend' must appear first in a non-function declaration}} 47 unsigned friend int; // expected-error {{'friend' must appear first in a non-function declaration}} 48 const volatile friend int; // expected-error {{'friend' must appear first in a non-function declaration}} 49 int 50 friend; // expected-error {{'friend' must appear first in a non-function declaration}} 51 52 // OK 53 int friend foo(void); 54 friend int; 55 friend const volatile int; 56 friend 57 58 float; 59 template<typename T> friend class A<T>::foo; 60 } a; 61 62 void testA() { (void)sizeof(A<int>); } 63
