1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 template<typename T> struct vector;
3 
4 // C++ [temp.class.spec]p6:
5 namespace N {
6   namespace M {
7     template<typename T> struct A; // expected-note{{here}}
8   }
9 }
10 
11 template<typename T>
12 struct N::M::A<T*> { }; // expected-warning{{C++11 extension}}
13 
14 // C++ [temp.class.spec]p9
15 //   bullet 1
16 template <int I, int J> struct A {};
17 template <int I> struct A<I+5, I*2> {}; // expected-error{{depends on}}
18 template <int I, int J> struct B {};
19 template <int I> struct B<I, I> {}; //OK
20 
21 //   bullet 2
22 template <class T, T t> struct C {};  // expected-note{{declared here}}
23 template <class T> struct C<T, 1>; // expected-error{{specializes}}
24 template <class T, T* t> struct C<T*, t>; // okay
25 
26 template< int X, int (*array_ptr)[X] > class A2 {}; // expected-note{{here}}
27 int array[5];
28 template< int X > class A2<X, &array> { }; // expected-error{{specializes}}
29 
30 template<typename T, int N, template<typename X> class TT>
31 struct Test0;
32 
33 //   bullet 3
34 template<typename T, int N, template<typename X> class TT>
35 struct Test0<T, N, TT>; // expected-error{{does not specialize}}
36 
37 // C++ [temp.class.spec]p10
38 template<typename T = int, // expected-error{{default template argument}}
39          int N = 17, // expected-error{{default template argument}}
40          template<typename X> class TT = ::vector> // expected-error{{default template argument}}
41   struct Test0<T*, N, TT> { };
42 
43 template<typename T> struct Test1;
44 template<typename T, typename U>  // expected-note{{non-deducible}}
45   struct Test1<T*> { }; // expected-warning{{never be used}}
46