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 struct B0; 6*67e74705SXin Li 7*67e74705SXin Li class A { 8*67e74705SXin Li friend class B {}; // expected-error {{cannot define a type in a friend declaration}} 9*67e74705SXin Li friend int; 10*67e74705SXin Li #if __cplusplus <= 199711L 11*67e74705SXin Li // expected-warning@-2 {{non-class friend type 'int' is a C++11 extension}} 12*67e74705SXin Li #endif 13*67e74705SXin Li friend B0; 14*67e74705SXin Li #if __cplusplus <= 199711L 15*67e74705SXin Li // expected-warning@-2 {{unelaborated friend declaration is a C++11 extension; specify 'struct' to befriend 'B0'}} 16*67e74705SXin Li #endif 17*67e74705SXin Li friend class C; // okay 18*67e74705SXin Li }; 19