clang/test/CXX/expr/expr.prim/expr.prim.general/p12-0x.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
   2
   3 struct S {
   4   int *j = &nonexistent; // expected-error {{use of undeclared identifier 'nonexistent'}}
   5   int *m = &n; // ok
   6
   7   int n = f(); // ok
   8   int f();
   9 };
  10
  11 int i = sizeof(S::m); // ok
  12 int j = sizeof(S::m + 42); // ok
  13
  14
  15 struct T {
  16   int n;
  17   static void f() {
  18     int a[n]; // expected-error {{invalid use of member 'n' in static member function}}
  19     int b[sizeof n]; // ok
  20   }
  21 };
  22
  23 // Make sure the rule for unevaluated operands works correctly with typeid.
  24 namespace std {
  25   class type_info;
  26 }
  27 class Poly { virtual ~Poly(); };
  28 const std::type_info& k = typeid(S::m);
  29 const std::type_info& m = typeid(*(Poly*)S::m); // expected-error {{invalid use of non-static data member}}
  30 const std::type_info& n = typeid(*(Poly*)(0*sizeof S::m));
  31
  32 namespace PR11956 {
  33   struct X { char a; };
  34   struct Y { int f() { return sizeof(X::a); } }; // ok
  35
  36   struct A { enum E {} E; };
  37   struct B { int f() { return sizeof(A::E); } }; // ok
  38 }