1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s
3 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
4 template<typename T> struct vector;
5 
6 // C++ [temp.class.spec]p6:
7 namespace N {
8   namespace M {
9     template<typename T> struct A;
10   }
11 }
12 
13 template<typename T>
14 struct N::M::A<T*> { };
15 
16 // C++ [temp.class.spec]p9
17 //   bullet 1, as amended by DR1315
18 template <int I, int J> struct A {};
19 template <int I> struct A<I+5, I*2> {}; // expected-error{{cannot be deduced}} expected-note {{'I'}}
20 template <int I, int J> struct B {};
21 template <int I> struct B<I, I> {}; //OK
22 
23 //   bullet 2
24 template <class T, T t> struct C {};  // expected-note{{declared here}}
25 template <class T> struct C<T, 1>; // expected-error{{specializes}}
26 template <class T, T* t> struct C<T*, t>; // okay
27 
28 template< int X, int (*array_ptr)[X] > class A2 {}; // expected-note{{here}}
29 int array[5];
30 template< int X > class A2<X, &array> { }; // expected-error{{specializes}}
31 
32 template<typename T, int N, template<typename X> class TT>
33 struct Test0;
34 
35 //   bullet 3
36 template<typename T, int N, template<typename X> class TT>
37 struct Test0<T, N, TT>; // expected-error{{does not specialize}}
38 
39 // C++ [temp.class.spec]p10
40 template<typename T = int, // expected-error{{default template argument}}
41          int N = 17, // expected-error{{default template argument}}
42          template<typename X> class TT = ::vector> // expected-error{{default template argument}}
43   struct Test0<T*, N, TT> { };
44 
45 template<typename T> struct Test1;
46 template<typename T, typename U>  // expected-note{{non-deducible}}
47   struct Test1<T*> { }; // expected-error{{never be used}}
48