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 }
39