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1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 
3 template<typename T, typename U>
4 struct X1 {
5   static const int value = 0;
6 };
7 
8 template<typename T, typename U>
9 struct X1<T*, U*> {
10   static const int value = 1;
11 };
12 
13 template<typename T>
14 struct X1<T*, T*> {
15   static const int value = 2;
16 };
17 
18 template<typename T>
19 struct X1<const T*, const T*> {
20   static const int value = 3;
21 };
22 
23 int array0[X1<int, int>::value == 0? 1 : -1];
24 int array1[X1<int*, float*>::value == 1? 1 : -1];
25 int array2[X1<int*, int*>::value == 2? 1 : -1];
26 typedef const int* CIP;
27 int array3[X1<const int*, CIP>::value == 3? 1 : -1];
28 
29 template<typename T, typename U>
30 struct X2 { };
31 
32 template<typename T, typename U>
33 struct X2<T*, U> { }; // expected-note{{matches}}
34 
35 template<typename T, typename U>
36 struct X2<T, U*> { }; // expected-note{{matches}}
37 
38 template<typename T, typename U>
39 struct X2<const T*, const U*> { };
40 
41 X2<int*, int*> x2a; // expected-error{{ambiguous}}
42 X2<const int*, const int*> x2b;
43