clang/test/CXX/class/class.friend/p2.cpp

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