text: // RUN: %clang_cc1 -fsyntax-only -Wc++11-compat -verify -std=c++98 %s
  // RUN: %clang_cc1 -fsyntax-only -Wc++11-compat -verify -std=c++11 %s
  
  class A {
    friend static class B; // expected-error {{'static' is invalid in friend declarations}}
    friend extern class C; // expected-error {{'extern' is invalid in friend declarations}}
    friend register class E; // expected-error {{'register' is invalid in friend declarations}}
    friend mutable class F; // expected-error {{'mutable' is invalid in friend declarations}}
    friend typedef class G; // expected-error {{'typedef' is invalid in friend declarations}}
    friend __thread class G; // expected-error {{'__thread' is invalid in friend declarations}}
    friend _Thread_local class G; // expected-error {{'_Thread_local' is invalid in friend declarations}}
    friend static _Thread_local class G; // expected-error {{'static _Thread_local' is invalid in friend declarations}}
  #if __cplusplus < 201103L
    friend auto class D; // expected-warning {{incompatible with C++11}} expected-error {{'auto' is invalid in friend declarations}}
  #else
    friend thread_local class G; // expected-error {{'thread_local' is invalid in friend declarations}}
  #endif
  };
  