| 1 | // RUN: %clang_cc1 -triple %itanium_abi_triple -fsyntax-only -verify %s |
| 2 | // RUN: %clang_cc1 -triple %itanium_abi_triple -fsyntax-only -verify -std=c++98 %s |
| 3 | // RUN: %clang_cc1 -triple %itanium_abi_triple -fsyntax-only -verify -std=c++11 %s |
| 4 | // RUN: %clang_cc1 -triple %ms_abi_triple -DMSABI -fsyntax-only -verify %s |
| 5 | // RUN: %clang_cc1 -triple %ms_abi_triple -DMSABI -fsyntax-only -std=c++98 -verify %s |
| 6 | // RUN: %clang_cc1 -triple %ms_abi_triple -DMSABI -fsyntax-only -std=c++11 -verify %s |
| 7 | |
| 8 | namespace PR5557 { |
| 9 | template <class T> struct A { |
| 10 | A(); // expected-note{{instantiation}} |
| 11 | virtual int a(T x); |
| 12 | }; |
| 13 | template<class T> A<T>::A() {} |
| 14 | |
| 15 | template<class T> int A<T>::a(T x) { |
| 16 | return *x; // expected-error{{requires pointer operand}} |
| 17 | } |
| 18 | |
| 19 | void f() { |
| 20 | A<int> x; // expected-note{{instantiation}} |
| 21 | } |
| 22 | |
| 23 | template<typename T> |
| 24 | struct X { |
| 25 | virtual void f(); |
| 26 | }; |
| 27 | |
| 28 | template<> |
| 29 | void X<int>::f() { } |
| 30 | } |
| 31 | |
| 32 | // Like PR5557, but with a defined destructor instead of a defined constructor. |
| 33 | namespace PR5557_dtor { |
| 34 | template <class T> struct A { |
| 35 | A(); // Don't have an implicit constructor. |
| 36 | ~A(); // expected-note{{instantiation}} |
| 37 | virtual int a(T x); |
| 38 | }; |
| 39 | template<class T> A<T>::~A() {} |
| 40 | |
| 41 | template<class T> int A<T>::a(T x) { |
| 42 | return *x; // expected-error{{requires pointer operand}} |
| 43 | } |
| 44 | |
| 45 | void f() { |
| 46 | A<int> x; // expected-note{{instantiation}} |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | template<typename T> |
| 51 | struct Base { |
| 52 | virtual ~Base() { |
| 53 | int *ptr = 0; |
| 54 | T t = ptr; // expected-error{{cannot initialize}} |
| 55 | } |
| 56 | }; |
| 57 | |
| 58 | template<typename T> |
| 59 | struct Derived : Base<T> { |
| 60 | virtual void foo() { } |
| 61 | }; |
| 62 | |
| 63 | template struct Derived<int>; // expected-note {{in instantiation of member function 'Base<int>::~Base' requested here}} |
| 64 | |
| 65 | template<typename T> |
| 66 | struct HasOutOfLineKey { |
| 67 | HasOutOfLineKey() { } // expected-note{{in instantiation of member function 'HasOutOfLineKey<int>::f' requested here}} |
| 68 | virtual T *f(float *fp); |
| 69 | }; |
| 70 | |
| 71 | template<typename T> |
| 72 | T *HasOutOfLineKey<T>::f(float *fp) { |
| 73 | return fp; // expected-error{{cannot initialize return object of type 'int *' with an lvalue of type 'float *'}} |
| 74 | } |
| 75 | |
| 76 | HasOutOfLineKey<int> out_of_line; // expected-note{{in instantiation of member function 'HasOutOfLineKey<int>::HasOutOfLineKey' requested here}} |
| 77 | |
| 78 | namespace std { |
| 79 | class type_info; |
| 80 | } |
| 81 | |
| 82 | namespace PR7114 { |
| 83 | class A { virtual ~A(); }; |
| 84 | #if __cplusplus <= 199711L |
| 85 | // expected-note@-2{{declared private here}} |
| 86 | #else |
| 87 | // expected-note@-4 3 {{overridden virtual function is here}} |
| 88 | #endif |
| 89 | |
| 90 | template<typename T> |
| 91 | class B { |
| 92 | public: |
| 93 | class Inner : public A { }; |
| 94 | #if __cplusplus <= 199711L |
| 95 | // expected-error@-2{{base class 'PR7114::A' has private destructor}} |
| 96 | #else |
| 97 | // expected-error@-4 2 {{deleted function '~Inner' cannot override a non-deleted function}} |
| 98 | // expected-note@-5 2 {{destructor of 'Inner' is implicitly deleted because base class 'PR7114::A' has an inaccessible destructor}} |
| 99 | #ifdef MSABI |
| 100 | // expected-note@-7 1 {{destructor of 'Inner' is implicitly deleted because base class 'PR7114::A' has an inaccessible destructor}} |
| 101 | #endif |
| 102 | #endif |
| 103 | |
| 104 | static Inner i; |
| 105 | static const unsigned value = sizeof(i) == 4; |
| 106 | #if __cplusplus >= 201103L |
| 107 | // expected-note@-2 {{in instantiation of member class 'PR7114::B<int>::Inner' requested here}} |
| 108 | // expected-note@-3 {{in instantiation of member class 'PR7114::B<float>::Inner' requested here}} |
| 109 | #endif |
| 110 | }; |
| 111 | |
| 112 | int f() { return B<int>::value; } |
| 113 | #if __cplusplus >= 201103L |
| 114 | // expected-note@-2 {{in instantiation of template class 'PR7114::B<int>' requested here}} |
| 115 | #endif |
| 116 | |
| 117 | #ifdef MSABI |
| 118 | void test_typeid(B<float>::Inner bfi) { |
| 119 | #if __cplusplus <= 199711L |
| 120 | // expected-note@-2 {{implicit destructor}} |
| 121 | #else |
| 122 | // expected-error@-4 {{attempt to use a deleted function}} |
| 123 | // expected-note@-5 {{in instantiation of template class 'PR7114::B<float>' requested here}} |
| 124 | #endif |
| 125 | |
| 126 | (void)typeid(bfi); |
| 127 | #else |
| 128 | void test_typeid(B<float>::Inner bfi) { |
| 129 | #if __cplusplus >= 201103L |
| 130 | // expected-note@-2 {{in instantiation of template class 'PR7114::B<float>' requested here}} |
| 131 | #endif |
| 132 | (void)typeid(bfi); |
| 133 | #if __cplusplus <= 199711L |
| 134 | // expected-note@-2 {{implicit destructor}} |
| 135 | #endif |
| 136 | #endif |
| 137 | } |
| 138 | |
| 139 | template<typename T> |
| 140 | struct X : A { |
| 141 | #if __cplusplus >= 201103L |
| 142 | // expected-error@-2 {{deleted function '~X' cannot override a non-deleted function}} |
| 143 | // expected-note@-3 {{destructor of 'X<int>' is implicitly deleted because base class 'PR7114::A' has an inaccessible destructor}} |
| 144 | #endif |
| 145 | void f() { } |
| 146 | }; |
| 147 | |
| 148 | void test_X(X<int> &xi, X<float> &xf) { |
| 149 | xi.f(); |
| 150 | #if __cplusplus >= 201103L |
| 151 | // expected-note@-2 {{in instantiation of template class 'PR7114::X<int>' requested here}} |
| 152 | #endif |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | namespace DynamicCast { |
| 157 | struct Y {}; |
| 158 | template<typename T> struct X : virtual Y { |
| 159 | virtual void foo() { T x; } |
| 160 | }; |
| 161 | template<typename T> struct X2 : virtual Y { |
| 162 | virtual void foo() { T x; } |
| 163 | }; |
| 164 | Y* f(X<void>* x) { return dynamic_cast<Y*>(x); } |
| 165 | Y* f2(X<void>* x) { return dynamic_cast<Y*>(x); } |
| 166 | } |
| 167 | |
| 168 | namespace avoid_using_vtable { |
| 169 | // We shouldn't emit the vtable for this code, in any ABI. If we emit the |
| 170 | // vtable, we emit an implicit virtual dtor, which calls ~RefPtr, which requires |
| 171 | // a complete type for DeclaredOnly. |
| 172 | // |
| 173 | // Previously we would reference the vtable in the MS C++ ABI, even though we |
| 174 | // don't need to emit either the ctor or the dtor. In the Itanium C++ ABI, the |
| 175 | // 'trace' method is the key function, so even though we use the vtable, we |
| 176 | // don't emit it. |
| 177 | |
| 178 | template <typename T> |
| 179 | struct RefPtr { |
| 180 | T *m_ptr; |
| 181 | ~RefPtr() { m_ptr->deref(); } |
| 182 | }; |
| 183 | struct DeclaredOnly; |
| 184 | struct Base { |
| 185 | virtual ~Base(); |
| 186 | }; |
| 187 | |
| 188 | struct AvoidVTable : Base { |
| 189 | RefPtr<DeclaredOnly> m_insertionStyle; |
| 190 | virtual void trace(); |
| 191 | AvoidVTable(); |
| 192 | }; |
| 193 | // Don't call the dtor, because that will emit an implicit dtor, and require a |
| 194 | // complete type for DeclaredOnly. |
| 195 | void foo() { new AvoidVTable; } |
| 196 | } |
| 197 | |
| 198 | namespace vtable_uses_incomplete { |
| 199 | // Opposite of the previous test that avoids a vtable, this one tests that we |
| 200 | // use the vtable when the ctor is defined inline. |
| 201 | template <typename T> |
| 202 | struct RefPtr { |
| 203 | T *m_ptr; |
| 204 | ~RefPtr() { m_ptr->deref(); } // expected-error {{member access into incomplete type 'vtable_uses_incomplete::DeclaredOnly'}} |
| 205 | }; |
| 206 | struct DeclaredOnly; // expected-note {{forward declaration of 'vtable_uses_incomplete::DeclaredOnly'}} |
| 207 | struct Base { |
| 208 | virtual ~Base(); |
| 209 | }; |
| 210 | |
| 211 | struct UsesVTable : Base { |
| 212 | RefPtr<DeclaredOnly> m_insertionStyle; |
| 213 | virtual void trace(); |
| 214 | UsesVTable() {} // expected-note {{in instantiation of member function 'vtable_uses_incomplete::RefPtr<vtable_uses_incomplete::DeclaredOnly>::~RefPtr' requested here}} |
| 215 | }; |
| 216 | } |
| 217 | |