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// RUN: %clang_cc1 -fsyntax-only -verify %s
// C++03 requires that we check for a copy constructor when binding a
// reference to a temporary, since we are allowed to make a copy, Even
// though we don't actually make that copy, make sure that we diagnose
// cases where that copy constructor is somehow unavailable.
struct X1 {
X1();
explicit X1(const X1&);
};
struct X2 {
X2();
private:
X2(const X2&); // expected-note{{declared private here}}
};
struct X3 {
X3();
private:
X3(X3&); // expected-note{{candidate constructor not viable: no known conversion from 'X3' to 'X3 &' for 1st argument}}
};
template<typename T>
T get_value_badly() {
double *dp = 0;
T *tp = dp; // FIXME: Should get an error here, from instantiating the
// default argument of X4<int>
return T();
}
template<typename T>
struct X4 {
X4();
X4(const X4&, T = get_value_badly<T>());
};
void g1(const X1&);
void g2(const X2&);
void g3(const X3&);
void g4(const X4<int>&);
void test() {
g1(X1()); // expected-error{{no viable constructor copying parameter of type 'X1'}}
g2(X2()); // expected-error{{calling a private constructor of class 'X2'}}
g3(X3()); // expected-error{{no viable constructor copying parameter of type 'X3'}}
g4(X4<int>());
}
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