1// RUN: %clang_cc1 -fsyntax-only -verify %s
2template<int I, int J, class T> struct X {
3  static const int value = 0;
4};
5
6template<int I, int J> struct X<I, J, int> {
7  static const int value = 1;
8};
9
10template<int I> struct X<I, I, int> {
11  static const int value = 2;
12};
13
14int array0[X<0, 0, float>::value == 0? 1 : -1];
15int array1[X<0, 1, int>::value == 1? 1 : -1];
16int array2[X<0, 0, int>::value == 2? 1 : -1];
17
18namespace DependentSubstPartialOrdering {
19  template<typename T, typename U = void, typename V = void>
20  struct X {
21    static const unsigned value = 1;
22  };
23
24  template<typename T, typename U>
25  struct X<T, U, typename T::is_b> {
26    static const unsigned value = 2;
27  };
28
29  template<typename T>
30  struct X<T, typename T::is_a, typename T::is_b> {
31    static const unsigned value = 3;
32  };
33
34  struct X1 { };
35
36  struct X2 {
37    typedef void is_b;
38  };
39
40  struct X3 {
41    typedef void is_a;
42    typedef void is_b;
43  };
44
45  int check_X1[X<X1, void, void>::value == 1? 1 : -1];
46  int check_X2[X<X2, void, void>::value == 2? 1 : -1];
47  int check_X3[X<X3, void, void>::value == 3? 1 : -1];
48}
49