p4.cpp
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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
// RUN: %clang_cc1 -fsyntax-only -verify %s
struct IntHolder { // expected-note 0-1{{here}} expected-note 2-4{{candidate constructor (the implicit}}
IntHolder(int); // expected-note 2{{candidate constructor}}
};
template<typename T, typename U>
struct X { // expected-note{{here}}
void f() {
T t; // expected-error{{no matching}}
}
void g() { }
struct Inner {
#if __cplusplus >= 201103L
T value; // expected-note {{has no default constructor}}
#else
// expected-error@-4 {{implicit default}}
T value; // expected-note {{member is declared here}}
#endif
};
static T value;
};
template<typename T, typename U>
T X<T, U>::value; // expected-error{{no matching constructor}}
IntHolder &test_X_IntHolderInt(X<IntHolder, int> xih) {
xih.g(); // okay
xih.f(); // expected-note{{instantiation}}
X<IntHolder, int>::Inner inner;
#if __cplusplus >= 201103L
// expected-error@-2 {{call to implicitly-deleted}}
#else
// expected-note@-4 {{first required here}}
#endif
return X<IntHolder, int>::value; // expected-note{{instantiation}}
}
// Explicitly specialize the members of X<IntHolder, long> to not cause
// problems with instantiation.
template<>
void X<IntHolder, long>::f() { }
template<>
struct X<IntHolder, long>::Inner {
Inner() : value(17) { }
IntHolder value;
};
template<>
IntHolder X<IntHolder, long>::value = 17;
IntHolder &test_X_IntHolderInt(X<IntHolder, long> xih) {
xih.g(); // okay
xih.f(); // okay, uses specialization
X<IntHolder, long>::Inner inner; // okay, uses specialization
return X<IntHolder, long>::value; // okay, uses specialization
}
template<>
X<IntHolder, long>::X() { } // expected-error{{instantiated member}}