1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 
3 class C {
4   friend class D;
5 };
6 
7 class A {
8 public:
9   void f();
10 };
11 
12 friend int x; // expected-error {{'friend' used outside of class}}
13 
14 friend class D {}; // expected-error {{'friend' used outside of class}}
15 
16 union U {
17   int u1;
18 };
19 
20 class B {
21   // 'A' here should refer to the declaration above.
22   friend class A;
23 
24   friend C; // expected-warning {{specify 'class' to befriend}}
25   friend U; // expected-warning {{specify 'union' to befriend}}
26   friend int; // expected-warning {{non-class friend type 'int'}}
27 
28   friend void myfunc();
29 
30   void f(A *a) { a->f(); }
31 };
32 
33 void bar() {} // expected-note {{previous definition is here}}
34 class E {
35   friend void bar() {} // expected-error {{redefinition of 'bar'}}
36 };
37 
38 
39 
40 
41 template <typename t1, typename t2> class some_template;
42 friend   // expected-error {{'friend' used outside of class}}
43 some_template<foo, bar>&  // expected-error {{use of undeclared identifier 'foo'}}
44   ;  // expected-error {{expected unqualified-id}}
45