1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s 3 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s 4 5 class C { 6 friend class D; 7 }; 8 9 class A { 10 public: 11 void f(); 12 }; 13 14 friend int x; // expected-error {{'friend' used outside of class}} 15 16 friend class D {}; // expected-error {{'friend' used outside of class}} 17 18 union U { 19 int u1; 20 }; 21 22 class B { 23 // 'A' here should refer to the declaration above. 24 friend class A; 25 26 friend C; 27 #if __cplusplus <= 199711L 28 // expected-warning@-2 {{unelaborated friend declaration is a C++11 extension; specify 'class' to befriend 'C'}} 29 #endif 30 31 friend U; 32 #if __cplusplus <= 199711L 33 // expected-warning@-2 {{unelaborated friend declaration is a C++11 extension; specify 'union' to befriend 'U'}} 34 #endif 35 36 friend int; 37 #if __cplusplus <= 199711L 38 // expected-warning@-2 {{non-class friend type 'int' is a C++11 extension}} 39 #endif 40 41 friend void myfunc(); 42 43 void f(A *a) { a->f(); } 44 }; 45 46 inline void bar() {} // expected-note {{previous definition is here}} 47 class E { 48 friend void bar() {} // expected-error {{redefinition of 'bar'}} 49 }; 50 51 52 53 54 template <typename t1, typename t2> class some_template; 55 friend // expected-error {{'friend' used outside of class}} 56 some_template<foo, bar>& // expected-error {{use of undeclared identifier 'foo'}} 57 ; // expected-error {{expected unqualified-id}} 58
