1// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s
2// RUN: %clang_cc1 -fsyntax-only -std=c++1y -verify %s -DCXX1Y
3
4#ifndef CXX1Y
5
6template<typename T, typename U, U> using alias_ref = T;
7template<typename T, typename U, U> void func_ref() {}
8template<typename T, typename U, U> struct class_ref {};
9
10template<int N>
11struct U {
12  static int a;
13};
14
15template<int N> struct S; // expected-note 6{{here}}
16
17template<int N>
18int U<N>::a = S<N>::kError; // expected-error 6{{undefined}}
19
20template<typename T>
21void f() {
22  (void)alias_ref<int, int&, U<0>::a>(); // expected-note {{here}}
23  (void)func_ref<int, int&, U<1>::a>(); // expected-note {{here}}
24  (void)class_ref<int, int&, U<2>::a>(); // expected-note {{here}}
25};
26
27
28template<int N>
29void fi() {
30  (void)alias_ref<int, int&, U<N>::a>(); // expected-note {{here}}
31  (void)func_ref<int, int&, U<N+1>::a>(); // expected-note {{here}}
32  (void)class_ref<int, int&, U<N+2>::a>(); // expected-note {{here}}
33};
34
35int main() {
36  f<int>();   // NOTE: Non-dependent name uses are type-checked at template definition time.
37  fi<10>();   // expected-note 3{{here}}
38}
39
40namespace N {
41  template<typename T> struct S { static int n; };
42  template<typename T> int S<T>::n = 5;
43  void g(int*);
44  template<typename T> int f() {
45    int k[S<T>::n];
46    g(k);
47    return k[3];
48  }
49  int j = f<int>();
50}
51
52#else
53// expected-no-diagnostics
54
55namespace { template<typename> extern int n; }
56template<typename T> int g() { return n<int>; }
57
58#endif
59
60