clang/test/SemaTemplate/value-dependent-null-pointer-constant.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 template<typename T, int N>
   6 struct X0 {
   7   const char *f0(bool Cond) {
   8     return Cond? "honk" : N;
   9 #if __cplusplus >= 201103L
  10 // expected-error@-2 {{incompatible operand types ('const char *' and 'int')}}
  11 #else
  12 // expected-no-diagnostics
  13 #endif
  14   }
  15
  16   const char *f1(bool Cond) {
  17     return Cond? N : "honk";
  18 #if __cplusplus >= 201103L
  19 // expected-error@-2 {{incompatible operand types ('int' and 'const char *')}}
  20 #endif
  21   }
  22
  23   bool f2(const char *str) {
  24     return str == N;
  25 #if __cplusplus >= 201103L
  26 // expected-error@-2 {{comparison between pointer and integer ('const char *' and 'int')}}
  27 #endif
  28   }
  29 };
  30
  31 // PR4996
  32 template<unsigned I> int f0() {
  33   return __builtin_choose_expr(I, 0, 1);
  34 }
  35
  36 // PR5041
  37 struct A { };
  38
  39 template <typename T> void f(T *t)
  40 {
  41   (void)static_cast<void*>(static_cast<A*>(t));
  42 }