1 // RUN: %clang_cc1 -fsyntax-only -Wc++11-compat -verify -std=c++98 %s 2 // RUN: %clang_cc1 -fsyntax-only -Wc++11-compat -verify -std=c++11 %s 3 4 class A { 5 friend static class B; // expected-error {{'static' is invalid in friend declarations}} 6 friend extern class C; // expected-error {{'extern' is invalid in friend declarations}} 7 #if __cplusplus < 201103L 8 friend register class E; // expected-error {{'register' is invalid in friend declarations}} 9 #else 10 friend register class E; // expected-error {{'register' is invalid in friend declarations}} 11 #endif 12 friend mutable class F; // expected-error {{'mutable' is invalid in friend declarations}} 13 friend typedef class G; // expected-error {{'typedef' is invalid in friend declarations}} 14 friend __thread class G; // expected-error {{'__thread' is invalid in friend declarations}} 15 friend _Thread_local class G; // expected-error {{'_Thread_local' is invalid in friend declarations}} 16 friend static _Thread_local class G; // expected-error {{'static _Thread_local' is invalid in friend declarations}} 17 #if __cplusplus < 201103L 18 friend auto class D; // expected-warning {{incompatible with C++11}} expected-error {{'auto' is invalid in friend declarations}} 19 #else 20 friend thread_local class G; // expected-error {{'thread_local' is invalid in friend declarations}} 21 #endif 22 }; 23