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 extern char *bork; 6*67e74705SXin Li char *& bar = bork; 7*67e74705SXin Li 8*67e74705SXin Li int val; 9*67e74705SXin Li foo(int & a)10*67e74705SXin Livoid foo(int &a) { 11*67e74705SXin Li } 12*67e74705SXin Li 13*67e74705SXin Li typedef int & A; 14*67e74705SXin Li g(const A aref)15*67e74705SXin Livoid g(const A aref) { // expected-warning {{'const' qualifier on reference type 'A' (aka 'int &') has no effect}} 16*67e74705SXin Li } 17*67e74705SXin Li 18*67e74705SXin Li int & const X = val; // expected-error {{'const' qualifier may not be applied to a reference}} 19*67e74705SXin Li int & volatile Y = val; // expected-error {{'volatile' qualifier may not be applied to a reference}} 20*67e74705SXin Li int & const volatile Z = val; /* expected-error {{'const' qualifier may not be applied}} \ 21*67e74705SXin Li expected-error {{'volatile' qualifier may not be applied}} */ 22*67e74705SXin Li 23*67e74705SXin Li typedef int && RV; 24*67e74705SXin Li #if __cplusplus <= 199711L 25*67e74705SXin Li // expected-warning@-2 {{rvalue references are a C++11 extension}} 26*67e74705SXin Li #endif 27