1 | // RUN: %clang_cc1 -fsyntax-only -verify -fexceptions -fcxx-exceptions %s |
2 | // RUN: %clang_cc1 -fsyntax-only -verify -fexceptions -fcxx-exceptions -std=c++11 %s |
3 | |
4 | template void *; // expected-error{{expected unqualified-id}} |
5 | |
6 | template typedef void f0; // expected-error{{explicit instantiation of typedef}} |
7 | |
8 | int v0; // expected-note{{refers here}} |
9 | template int v0; // expected-error{{does not refer}} |
10 | |
11 | template<typename T> |
12 | struct X0 { |
13 | static T value; |
14 | |
15 | T f0(T x) { |
16 | return x + 1; // expected-error{{invalid operands}} |
17 | } |
18 | T *f0(T *, T *) { return T(); } // expected-warning 0-1 {{expression which evaluates to zero treated as a null pointer constant of type 'int *'}} expected-error 0-1 {{cannot initialize return object of type 'int *' with an rvalue of type 'int'}} |
19 | |
20 | template <typename U> T f0(T, U) { return T(); } // expected-note-re {{candidate template ignored: could not match 'int (int, U){{( __attribute__\(\(thiscall\)\))?}}' against 'int (int){{( __attribute__\(\(thiscall\)\))?}} const'}} \ |
21 | // expected-note {{candidate template ignored: could not match 'int' against 'int *'}} |
22 | }; |
23 | |
24 | template<typename T> |
25 | T X0<T>::value; // expected-error{{no matching constructor}} |
26 | |
27 | template int X0<int>::value; |
28 | |
29 | struct NotDefaultConstructible { // expected-note{{candidate constructor (the implicit copy constructor)}} expected-note 0-1 {{candidate constructor (the implicit move constructor)}} |
30 | NotDefaultConstructible(int); // expected-note{{candidate constructor}} |
31 | }; |
32 | |
33 | template NotDefaultConstructible X0<NotDefaultConstructible>::value; // expected-note{{instantiation}} |
34 | |
35 | template int X0<int>::f0(int); |
36 | template int* X0<int>::f0(int*, int*); // expected-note{{in instantiation of member function 'X0<int>::f0' requested here}} |
37 | template int X0<int>::f0(int, float); |
38 | |
39 | template int X0<int>::f0(int) const; // expected-error{{does not refer}} |
40 | template int* X0<int>::f0(int*, float*); // expected-error{{does not refer}} |
41 | |
42 | struct X1 { }; |
43 | typedef int X1::*MemPtr; |
44 | |
45 | template MemPtr X0<MemPtr>::f0(MemPtr); // expected-note{{requested here}} |
46 | |
47 | struct X2 { |
48 | int f0(int); // expected-note{{refers here}} |
49 | |
50 | template<typename T> T f1(T) { return T(); } |
51 | template<typename T> T* f1(T*) { return 0; } |
52 | |
53 | template<typename T, typename U> void f2(T, U*) { } // expected-note{{candidate}} |
54 | template<typename T, typename U> void f2(T*, U) { } // expected-note{{candidate}} |
55 | }; |
56 | |
57 | template int X2::f0(int); // expected-error{{not an instantiation}} |
58 | |
59 | template int *X2::f1(int *); // okay |
60 | |
61 | template void X2::f2(int *, int *); // expected-error{{ambiguous}} |
62 | |
63 | template <typename T> |
64 | void print_type() {} // expected-note {{candidate template ignored: could not match 'void ()' against 'void (float *)'}} |
65 | |
66 | template void print_type<int>(); |
67 | template void print_type<float>(); |
68 | |
69 | template <typename T> |
70 | void print_type(T *) {} // expected-note {{candidate template ignored: could not match 'void (int *)' against 'void (float *)'}} |
71 | |
72 | template void print_type(int*); |
73 | template void print_type<int>(float*); // expected-error{{does not refer}} |
74 | |
75 | void print_type(double*); |
76 | template void print_type<double>(double*); |
77 | |
78 | // PR5069 |
79 | template<int I> void foo0 (int (&)[I + 1]) { } |
80 | template void foo0<2> (int (&)[3]); |
81 | |
82 | namespace explicit_instantiation_after_implicit_instantiation { |
83 | template <int I> struct X0 { static int x; }; |
84 | template <int I> int X0<I>::x; |
85 | void test1() { (void)&X0<1>::x; } |
86 | template struct X0<1>; |
87 | } |
88 | |
89 | template<typename> struct X3 { }; |
90 | inline template struct X3<int>; // expected-warning{{ignoring 'inline' keyword on explicit template instantiation}} |
91 | static template struct X3<float>; // expected-warning{{ignoring 'static' keyword on explicit template instantiation}} |
92 | |
93 | namespace PR7622 { |
94 | template<typename,typename=int> |
95 | struct basic_streambuf; |
96 | |
97 | template<typename,typename> |
98 | struct basic_streambuf{friend bob<>()}; // expected-error{{no template named 'bob'}} \ |
99 | // expected-error{{expected member name or ';' after declaration specifiers}} |
100 | template struct basic_streambuf<int>; |
101 | } |
102 | |
103 | // Test that we do not crash. |
104 | class TC1 { |
105 | class TC2 { |
106 | template |
107 | void foo() { } // expected-error{{expected '<' after 'template'}} |
108 | }; |
109 | }; |
110 | |
111 | namespace PR8020 { |
112 | template <typename T> struct X { X() {} }; |
113 | template<> struct X<int> { X(); }; |
114 | template X<int>::X() {} // expected-error{{function cannot be defined in an explicit instantiation}} |
115 | } |
116 | |
117 | namespace PR10086 { |
118 | template void foobar(int i) {} // expected-error{{function cannot be defined in an explicit instantiation}} |
119 | int func() { |
120 | foobar(5); |
121 | } |
122 | } |
123 | |
124 | namespace undefined_static_data_member { |
125 | template<typename T> struct A { |
126 | static int a; // expected-note {{here}} |
127 | template<typename U> static int b; // expected-note {{here}} expected-warning 0+ {{extension}} |
128 | }; |
129 | struct B { |
130 | template<typename U> static int c; // expected-note {{here}} expected-warning 0+ {{extension}} |
131 | }; |
132 | |
133 | template int A<int>::a; // expected-error {{explicit instantiation of undefined static data member 'a' of class template 'undefined_static_data_member::A<int>'}} |
134 | template int A<int>::b<int>; // expected-error {{explicit instantiation of undefined variable template 'undefined_static_data_member::A<int>::b<int>'}} |
135 | template int B::c<int>; // expected-error {{explicit instantiation of undefined variable template 'undefined_static_data_member::B::c<int>'}} |
136 | |
137 | |
138 | template<typename T> struct C { |
139 | static int a; |
140 | template<typename U> static int b; // expected-warning 0+ {{extension}} |
141 | }; |
142 | struct D { |
143 | template<typename U> static int c; // expected-warning 0+ {{extension}} |
144 | }; |
145 | template<typename T> int C<T>::a; |
146 | template<typename T> template<typename U> int C<T>::b; // expected-warning 0+ {{extension}} |
147 | template<typename U> int D::c; // expected-warning 0+ {{extension}} |
148 | |
149 | template int C<int>::a; |
150 | template int C<int>::b<int>; |
151 | template int D::c<int>; |
152 | } |
153 | |
154 | // expected-note@+1 3-4 {{explicit instantiation refers here}} |
155 | template <class T> void Foo(T i) throw(T) { throw i; } |
156 | // expected-error@+1 {{exception specification in explicit instantiation does not match instantiated one}} |
157 | template void Foo(int a) throw(char); |
158 | // expected-error@+1 {{exception specification in explicit instantiation does not match instantiated one}} |
159 | template void Foo(double a) throw(); |
160 | // expected-error@+1 1 {{exception specification in explicit instantiation does not match instantiated one}} |
161 | template void Foo(long a) throw(long, char); |
162 | template void Foo(float a); |
163 | #if __cplusplus >= 201103L |
164 | // expected-error@+1 0-1 {{exception specification in explicit instantiation does not match instantiated one}} |
165 | template void Foo(double a) noexcept; |
166 | #endif |
167 | |
168 | #if __cplusplus >= 201103L |
169 | namespace PR21942 { |
170 | template <int> |
171 | struct A { |
172 | virtual void foo() final; |
173 | }; |
174 | |
175 | template <> |
176 | void A<0>::foo() {} // expected-note{{overridden virtual function is here}} |
177 | |
178 | struct B : A<0> { |
179 | virtual void foo() override; // expected-error{{declaration of 'foo' overrides a 'final' function}} |
180 | }; |
181 | } |
182 | #endif |
183 | |