1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 template<typename T> struct A {
3   struct B { };
4 
5   friend struct B;
6 };
7 
f()8 void f() {
9   A<int>::B b;
10 }
11 
12 struct C0 {
13   friend struct A<int>;
14 };
15 
16 namespace PR6770 {
17   namespace N {
18     int f1(int);
19   }
20   using namespace N;
21 
22   namespace M {
23     float f1(float);
24   }
25   using M::f1;
26 
27   template<typename T> void f1(T, T);
28   template <class T>
f()29   void f() {
30     friend class f; // expected-error{{'friend' used outside of class}}
31     friend class f1; // expected-error{{'friend' used outside of class}}
32   }
33 }
34 
35 namespace friend_redecl_inline {
36 // We had a bug where instantiating the foo friend declaration would check the
37 // defined-ness of the most recent decl while checking if the canonical decl was
38 // inlined.
39 void foo();
40 void bar();
41 template <typename T>
42 class C {
43   friend void foo();
44   friend inline void bar();
45 };
foo()46 inline void foo() {}
bar()47 inline void bar() {}
48 C<int> c;
49 }
50