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