forked from OSchip/llvm-project
100 lines
2.9 KiB
C++
100 lines
2.9 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s
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template void *; // expected-error{{expected unqualified-id}}
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template typedef void f0; // expected-error{{explicit instantiation of typedef}}
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int v0; // expected-note{{refers here}}
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template int v0; // expected-error{{does not refer}}
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template<typename T>
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struct X0 {
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static T value;
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T f0(T x) {
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return x + 1; // expected-error{{invalid operands}}
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}
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T* f0(T*, T*) { return T(); }
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template<typename U>
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T f0(T, U) { return T(); }
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};
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template<typename T>
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T X0<T>::value; // expected-error{{no matching constructor}}
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template int X0<int>::value;
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struct NotDefaultConstructible { // expected-note{{candidate constructor (the implicit copy constructor)}}
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NotDefaultConstructible(int); // expected-note{{candidate constructor}}
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};
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template NotDefaultConstructible X0<NotDefaultConstructible>::value; // expected-note{{instantiation}}
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template int X0<int>::f0(int);
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template int* X0<int>::f0(int*, int*);
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template int X0<int>::f0(int, float);
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template int X0<int>::f0(int) const; // expected-error{{does not refer}}
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template int* X0<int>::f0(int*, float*); // expected-error{{does not refer}}
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struct X1 { };
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typedef int X1::*MemPtr;
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template MemPtr X0<MemPtr>::f0(MemPtr); // expected-note{{requested here}}
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struct X2 {
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int f0(int); // expected-note{{refers here}}
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template<typename T> T f1(T) { return T(); }
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template<typename T> T* f1(T*) { return 0; }
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template<typename T, typename U> void f2(T, U*) { } // expected-note{{candidate}}
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template<typename T, typename U> void f2(T*, U) { } // expected-note{{candidate}}
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};
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template int X2::f0(int); // expected-error{{not an instantiation}}
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template int *X2::f1(int *); // okay
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template void X2::f2(int *, int *); // expected-error{{ambiguous}}
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template<typename T> void print_type() { }
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template void print_type<int>();
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template void print_type<float>();
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template<typename T> void print_type(T*) { }
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template void print_type(int*);
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template void print_type<int>(float*); // expected-error{{does not refer}}
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void print_type(double*);
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template void print_type<double>(double*);
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// PR5069
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template<int I> void foo0 (int (&)[I + 1]) { }
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template void foo0<2> (int (&)[3]);
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namespace explicit_instantiation_after_implicit_instantiation {
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template <int I> struct X0 { static int x; };
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template <int I> int X0<I>::x;
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void test1() { (void)&X0<1>::x; }
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template struct X0<1>;
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}
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template<typename> struct X3 { };
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inline template struct X3<int>; // expected-warning{{ignoring 'inline' keyword on explicit template instantiation}}
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static template struct X3<float>; // expected-warning{{ignoring 'static' keyword on explicit template instantiation}}
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namespace PR7622 {
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template<typename,typename=int>
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struct basic_streambuf;
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template<typename,typename>
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struct basic_streambuf{friend bob<>()}; // expected-error{{unknown type name 'bob'}} \
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// expected-error{{ expected member name or ';' after declaration specifiers}}
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template struct basic_streambuf<int>;
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}
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