1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify %s 2*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s 3*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s 4*67e74705SXin Li 5*67e74705SXin Li class C { 6*67e74705SXin Li friend class D; 7*67e74705SXin Li }; 8*67e74705SXin Li 9*67e74705SXin Li class A { 10*67e74705SXin Li public: 11*67e74705SXin Li void f(); 12*67e74705SXin Li }; 13*67e74705SXin Li 14*67e74705SXin Li friend int x; // expected-error {{'friend' used outside of class}} 15*67e74705SXin Li 16*67e74705SXin Li friend class D {}; // expected-error {{'friend' used outside of class}} 17*67e74705SXin Li 18*67e74705SXin Li union U { 19*67e74705SXin Li int u1; 20*67e74705SXin Li }; 21*67e74705SXin Li 22*67e74705SXin Li class B { 23*67e74705SXin Li // 'A' here should refer to the declaration above. 24*67e74705SXin Li friend class A; 25*67e74705SXin Li 26*67e74705SXin Li friend C; 27*67e74705SXin Li #if __cplusplus <= 199711L 28*67e74705SXin Li // expected-warning@-2 {{unelaborated friend declaration is a C++11 extension; specify 'class' to befriend 'C'}} 29*67e74705SXin Li #endif 30*67e74705SXin Li 31*67e74705SXin Li friend U; 32*67e74705SXin Li #if __cplusplus <= 199711L 33*67e74705SXin Li // expected-warning@-2 {{unelaborated friend declaration is a C++11 extension; specify 'union' to befriend 'U'}} 34*67e74705SXin Li #endif 35*67e74705SXin Li 36*67e74705SXin Li friend int; 37*67e74705SXin Li #if __cplusplus <= 199711L 38*67e74705SXin Li // expected-warning@-2 {{non-class friend type 'int' is a C++11 extension}} 39*67e74705SXin Li #endif 40*67e74705SXin Li 41*67e74705SXin Li friend void myfunc(); 42*67e74705SXin Li f(A * a)43*67e74705SXin Li void f(A *a) { a->f(); } 44*67e74705SXin Li }; 45*67e74705SXin Li bar()46*67e74705SXin Liinline void bar() {} // expected-note {{previous definition is here}} 47*67e74705SXin Li class E { bar()48*67e74705SXin Li friend void bar() {} // expected-error {{redefinition of 'bar'}} 49*67e74705SXin Li }; 50*67e74705SXin Li 51*67e74705SXin Li 52*67e74705SXin Li 53*67e74705SXin Li 54*67e74705SXin Li template <typename t1, typename t2> class some_template; 55*67e74705SXin Li friend // expected-error {{'friend' used outside of class}} 56*67e74705SXin Li some_template<foo, bar>& // expected-error {{use of undeclared identifier 'foo'}} 57*67e74705SXin Li ; // expected-error {{expected unqualified-id}} 58