1 // RUN: %clang_cc1 -fsyntax-only -verify %s
3 template<typename T> class A;
6 template<typename T> class B;
10 template<typename T> class C;
14 template<typename T> class D; // expected-error{{templates must have C++ linkage}}
17 template<class U> class A; // expected-note{{previous template declaration is here}}
19 template<int N> class A; // expected-error{{template parameter has a different kind in template redeclaration}}
21 template<int N> class NonTypeTemplateParm;
25 template<INT M> class NonTypeTemplateParm; // expected-note{{previous non-type template parameter with type 'INT' (aka 'int') is here}}
27 template<long> class NonTypeTemplateParm; // expected-error{{template non-type parameter has a different type 'long' in template redeclaration}}
29 template<template<typename T> class X> class TemplateTemplateParm;
31 template<template<class> class Y> class TemplateTemplateParm; // expected-note{{previous template declaration is here}} \
32 // expected-note{{previous template template parameter is here}}
34 template<typename> class TemplateTemplateParm; // expected-error{{template parameter has a different kind in template redeclaration}}
36 template<template<typename T, int> class X> class TemplateTemplateParm; // expected-error{{too many template parameters in template template parameter redeclaration}}
39 struct test {}; // expected-note{{previous definition}}
42 struct test : T {}; // expected-error{{redefinition}}
46 template<typename T> class C;
50 template<typename T> class X; // expected-error{{expression}}
53 template<typename T> class X1 var; // expected-warning{{variable templates are a C++1y extension}} \
54 // expected-error {{variable has incomplete type 'class X1'}} \
55 // expected-note {{forward declaration of 'X1'}}
60 template<typename T> class M::C3 { }; // expected-error{{out-of-line definition of 'C3' does not match any declaration in namespace 'M'}}
65 template<typename T2> class Bar;
76 Foo<int>::Bar<int> y(x);
80 namespace rdar9676205 {
81 template <unsigned, class _Tp> class tuple_element;
83 template <class _T1, class _T2> class pair;
85 template <class _T1, class _T2>
86 class tuple_element<0, pair<_T1, _T2> >
91 template <class _Up, bool = X<_Up>::value>
101 int A; // expected-note {{here}}
102 template<typename T> struct A; // expected-error {{different kind of symbol}}
104 int B; // expected-note {{here}}
105 template<typename T> struct B { // expected-error {{different kind of symbol}}
108 template<typename T> struct F;
109 template<typename T> struct K;
111 int G, H; // expected-note {{here}}
114 int C; // expected-note {{here}}
115 template<typename T> struct C; // expected-error {{different kind of symbol}}
117 int D; // expected-note {{here}}
118 template<typename T> struct D { // expected-error {{different kind of symbol}}
122 template<typename T> friend struct E { // expected-error {{cannot define a type in a friend}}
126 template<typename T> friend struct F; // ok, redecl::F
128 template<typename T> struct G; // ok
130 template<typename T> friend struct H; // expected-error {{different kind of symbol}}
135 template<typename T> struct I; // ok
136 template<typename T> struct J { // ok
138 template<typename T> friend struct K; // ok, redecl::K