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// RUN: %clang_cc1 -fsyntax-only -verify %s
struct C { };
template<typename T>
struct X0 {
T value; // expected-error{{incomplete}}
};
// Explicitly instantiate a class template specialization
template struct X0<int>;
template struct X0<void>; // expected-note{{instantiation}}
// Explicitly instantiate a function template specialization
template<typename T>
void f0(T t) {
++t; // expected-error{{cannot increment}}
}
template void f0(int);
template void f0<long>(long);
template void f0<>(unsigned);
template void f0(int C::*); // expected-note{{instantiation}}
// Explicitly instantiate a member template specialization
template<typename T>
struct X1 {
template<typename U>
struct Inner {
T member1;
U member2; // expected-error{{incomplete}}
};
template<typename U>
void f(T& t, U u) {
t = u; // expected-error{{incompatible}}
}
};
template struct X1<int>::Inner<float>;
template struct X1<int>::Inner<double>;
template struct X1<int>::Inner<void>; // expected-note{{instantiation}}
template void X1<int>::f(int&, float);
template void X1<int>::f<long>(int&, long);
template void X1<int>::f<>(int&, double);
template void X1<int>::f<>(int&, int*); // expected-note{{instantiation}}
// Explicitly instantiate members of a class template
struct Incomplete; // expected-note{{forward declaration}}
struct NonDefaultConstructible { // expected-note{{candidate constructor (the implicit copy constructor) not viable}}
NonDefaultConstructible(int); // expected-note{{candidate constructor}}
};
template<typename T, typename U>
struct X2 {
void f(T &t, U u) {
t = u; // expected-error{{incompatible}}
}
struct Inner {
T member1;
U member2; // expected-error{{incomplete}}
};
static T static_member1;
static U static_member2;
};
template<typename T, typename U>
T X2<T, U>::static_member1 = 17; // expected-error{{cannot initialize}}
template<typename T, typename U>
U X2<T, U>::static_member2; // expected-error{{no matching}}
template void X2<int, float>::f(int &, float);
template void X2<int, float>::f(int &, double); // expected-error{{does not refer}}
template void X2<int, int*>::f(int&, int*); // expected-note{{instantiation}}
template struct X2<int, float>::Inner;
template struct X2<int, Incomplete>::Inner; // expected-note{{instantiation}}
template int X2<int, float>::static_member1;
template int* X2<int*, float>::static_member1; // expected-note{{instantiation}}
template
NonDefaultConstructible X2<NonDefaultConstructible, int>::static_member1;
template
NonDefaultConstructible X2<int, NonDefaultConstructible>::static_member2; // expected-note{{instantiation}}
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