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// RUN: %clang_cc1 -fsyntax-only -verify %s
struct A {
};
struct ConvertibleToA {
operator A();
};
struct ConvertibleToConstA {
operator const A();
};
struct B {
B& operator=(B&); // expected-note 4 {{candidate function}}
};
struct ConvertibleToB {
operator B();
};
struct ConvertibleToBref {
operator B&();
};
struct ConvertibleToConstB {
operator const B();
};
struct ConvertibleToConstBref {
operator const B&();
};
struct C {
int operator=(int); // expected-note{{candidate function}}
long operator=(long); // expected-note{{candidate function}}
int operator+=(int); // expected-note{{candidate function}}
int operator+=(long); // expected-note{{candidate function}}
};
struct D {
D& operator+=(const D &);
};
struct ConvertibleToInt {
operator int();
};
void test() {
A a, na;
const A constA = A();
ConvertibleToA convertibleToA;
ConvertibleToConstA convertibleToConstA;
B b, nb;
const B constB = B();
ConvertibleToB convertibleToB;
ConvertibleToBref convertibleToBref;
ConvertibleToConstB convertibleToConstB;
ConvertibleToConstBref convertibleToConstBref;
C c, nc;
const C constC = C();
D d, nd;
const D constD = D();
ConvertibleToInt convertibleToInt;
na = a;
na = constA;
na = convertibleToA;
na = convertibleToConstA;
na += a; // expected-error{{no viable overloaded '+='}}
nb = b;
nb = constB; // expected-error{{no viable overloaded '='}}
nb = convertibleToB; // expected-error{{no viable overloaded '='}}
nb = convertibleToBref;
nb = convertibleToConstB; // expected-error{{no viable overloaded '='}}
nb = convertibleToConstBref; // expected-error{{no viable overloaded '='}}
nc = c;
nc = constC;
nc = 1;
nc = 1L;
nc = 1.0; // expected-error{{use of overloaded operator '=' is ambiguous}}
nc += 1;
nc += 1L;
nc += 1.0; // expected-error{{use of overloaded operator '+=' is ambiguous}}
nd = d;
nd += d;
nd += constD;
int i;
i = convertibleToInt;
i = a; // expected-error{{assigning to 'int' from incompatible type 'A'}}
}
// <rdar://problem/8315440>: Don't crash
namespace test1 {
template<typename T> class A : public unknown::X { // expected-error {{undeclared identifier 'unknown'}} expected-error {{expected class name}}
A(UndeclaredType n) : X(n) {} // expected-error {{unknown type name 'UndeclaredType'}}
};
template<typename T> class B : public A<T> {
virtual void foo() {}
};
extern template class A<char>;
extern template class B<char>;
}
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