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 5 namespace N { 6 namespace M { 7 template<typename T> struct Promote; 8 9 template<> struct Promote<short> { 10 typedef int type; 11 }; 12 13 template<> struct Promote<int> { 14 typedef int type; 15 }; 16 17 template<> struct Promote<float> { 18 typedef double type; 19 }; 20 21 Promote<short>::type *ret_intptr(int* ip) { return ip; } 22 Promote<int>::type *ret_intptr2(int* ip) { return ip; } 23 } 24 25 M::Promote<int>::type *ret_intptr3(int* ip) { return ip; } 26 M::template Promote<int>::type *ret_intptr4(int* ip) { return ip; } 27 #if __cplusplus <= 199711L 28 // expected-warning@-2 {{'template' keyword outside of a template}} 29 #endif 30 31 M::template Promote<int> pi; 32 #if __cplusplus <= 199711L 33 // expected-warning@-2 {{'template' keyword outside of a template}} 34 #endif 35 } 36 37 N::M::Promote<int>::type *ret_intptr5(int* ip) { return ip; } 38 ::N::M::Promote<int>::type *ret_intptr6(int* ip) { return ip; } 39 40 41 N::M::template; // expected-error{{expected unqualified-id}} 42 N::M::template Promote; // expected-error{{expected unqualified-id}} 43 44 namespace N { 45 template<typename T> struct A; 46 47 template<> 48 struct A<int> { 49 struct X; 50 }; 51 52 struct B; 53 } 54 55 struct ::N::A<int>::X { 56 int foo; 57 }; 58 59 template<typename T> 60 struct TestA { 61 typedef typename N::template B<T>::type type; // expected-error{{'B' following the 'template' keyword does not refer to a template}} \ 62 // expected-error{{expected member name}} 63 }; 64 65 // Reduced from a Boost failure. 66 namespace test1 { 67 template <class T> struct pair { 68 T x; 69 T y; 70 71 static T pair<T>::* const mem_array[2]; 72 }; 73 74 template <class T> 75 T pair<T>::* const pair<T>::mem_array[2] = { &pair<T>::x, &pair<T>::y }; 76 } 77 78 typedef int T; 79 namespace N1 { 80 template<typename T> T f0(); 81 } 82 83 template<typename T> T N1::f0() { } 84 85 namespace PR7385 { 86 template< typename > struct has_xxx0 87 { 88 template< typename > struct has_xxx0_introspect 89 { 90 template< typename > struct has_xxx0_substitute ; 91 template< typename V > 92 int int00( has_xxx0_substitute < typename V::template xxx< > > = 0 ); 93 }; 94 static const int value = has_xxx0_introspect<int>::value; // expected-error{{no member named 'value'}} 95 typedef int type; 96 }; 97 98 has_xxx0<int>::type t; // expected-note{{instantiation of}} 99 } 100 101 namespace PR7725 { 102 template<class ignored> struct TypedefProvider; 103 template<typename T> 104 struct TemplateClass : public TypedefProvider<T> 105 { 106 void PrintSelf() { 107 TemplateClass::Test::PrintSelf(); 108 } 109 }; 110 } 111 112 namespace PR9226 { 113 template<typename a> 114 void nt() // expected-note{{function template 'nt' declared here}} 115 { nt<>:: } // expected-error{{qualified name refers into a specialization of function template 'nt'}} \ 116 // expected-error{{expected unqualified-id}} 117 118 template<typename T> 119 void f(T*); // expected-note{{function template 'f' declared here}} 120 121 template<typename T> 122 void f(T*, T*); // expected-note{{function template 'f' declared here}} 123 124 void g() { 125 f<int>:: // expected-error{{qualified name refers into a specialization of function template 'f'}} 126 } // expected-error{{expected unqualified-id}} 127 128 struct X { 129 template<typename T> void f(); // expected-note{{function template 'f' declared here}} 130 }; 131 132 template<typename T, typename U> 133 struct Y { 134 typedef typename T::template f<U> type; // expected-error{{template name refers to non-type template 'X::f'}} 135 }; 136 137 Y<X, int> yxi; // expected-note{{in instantiation of template class 'PR9226::Y<PR9226::X, int>' requested here}} 138 } 139 140 namespace PR9449 { 141 template <typename T> 142 struct s; // expected-note{{template is declared here}} 143 144 template <typename T> 145 void f() { 146 int s<T>::template n<T>::* f; // expected-error{{implicit instantiation of undefined template 'PR9449::s<int>'}} \ 147 // expected-error{{following the 'template' keyword}} 148 } 149 150 template void f<int>(); // expected-note{{in instantiation of}} 151 } 152
