clang/test/Parser/cxx-reference.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 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