1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 template void *; // expected-error{{expected unqualified-id}} 4 5 template typedef void f0; // expected-error{{explicit instantiation of typedef}} 6 7 int v0; // expected-note{{refers here}} 8 template int v0; // expected-error{{does not refer}} 9 10 template<typename T> 11 struct X0 { 12 static T value; 13 14 T f0(T x) { 15 return x + 1; // expected-error{{invalid operands}} 16 } 17 T* f0(T*, T*) { return T(); } // expected-warning{{expression which evaluates to zero treated as a null pointer constant of type 'int *'}} 18 19 template<typename U> 20 T f0(T, U) { return T(); } 21 }; 22 23 template<typename T> 24 T X0<T>::value; // expected-error{{no matching constructor}} 25 26 template int X0<int>::value; 27 28 struct NotDefaultConstructible { // expected-note{{candidate constructor (the implicit copy constructor)}} 29 NotDefaultConstructible(int); // expected-note{{candidate constructor}} 30 }; 31 32 template NotDefaultConstructible X0<NotDefaultConstructible>::value; // expected-note{{instantiation}} 33 34 template int X0<int>::f0(int); 35 template int* X0<int>::f0(int*, int*); // expected-note{{in instantiation of member function 'X0<int>::f0' requested here}} 36 template int X0<int>::f0(int, float); 37 38 template int X0<int>::f0(int) const; // expected-error{{does not refer}} 39 template int* X0<int>::f0(int*, float*); // expected-error{{does not refer}} 40 41 struct X1 { }; 42 typedef int X1::*MemPtr; 43 44 template MemPtr X0<MemPtr>::f0(MemPtr); // expected-note{{requested here}} 45 46 struct X2 { 47 int f0(int); // expected-note{{refers here}} 48 49 template<typename T> T f1(T) { return T(); } 50 template<typename T> T* f1(T*) { return 0; } 51 52 template<typename T, typename U> void f2(T, U*) { } // expected-note{{candidate}} 53 template<typename T, typename U> void f2(T*, U) { } // expected-note{{candidate}} 54 }; 55 56 template int X2::f0(int); // expected-error{{not an instantiation}} 57 58 template int *X2::f1(int *); // okay 59 60 template void X2::f2(int *, int *); // expected-error{{ambiguous}} 61 62 63 template<typename T> void print_type() { } 64 65 template void print_type<int>(); 66 template void print_type<float>(); 67 68 template<typename T> void print_type(T*) { } 69 70 template void print_type(int*); 71 template void print_type<int>(float*); // expected-error{{does not refer}} 72 73 void print_type(double*); 74 template void print_type<double>(double*); 75 76 // PR5069 77 template<int I> void foo0 (int (&)[I + 1]) { } 78 template void foo0<2> (int (&)[3]); 79 80 namespace explicit_instantiation_after_implicit_instantiation { 81 template <int I> struct X0 { static int x; }; 82 template <int I> int X0<I>::x; 83 void test1() { (void)&X0<1>::x; } 84 template struct X0<1>; 85 } 86 87 template<typename> struct X3 { }; 88 inline template struct X3<int>; // expected-warning{{ignoring 'inline' keyword on explicit template instantiation}} 89 static template struct X3<float>; // expected-warning{{ignoring 'static' keyword on explicit template instantiation}} 90 91 namespace PR7622 { 92 template<typename,typename=int> 93 struct basic_streambuf; 94 95 template<typename,typename> 96 struct basic_streambuf{friend bob<>()}; // expected-error{{unknown type name 'bob'}} \ 97 // expected-error{{expected member name or ';' after declaration specifiers}} 98 template struct basic_streambuf<int>; 99 } 100 101 // Test that we do not crash. 102 class TC1 { 103 class TC2 { 104 template // FIXME: error here. 105 void foo() { } 106 }; 107 }; 108
