clang/test/SemaCXX/ambig-user-defined-conversi...

59 строки
1.4 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s
namespace test0 {
struct BASE {
operator int &(); // expected-note {{candidate function}}
};
struct BASE1 {
operator int &(); // expected-note {{candidate function}}
};
struct B : public BASE, BASE1 {};
extern B f();
B b1;
void func(const int ci, const char cc); // expected-note {{candidate function}}
void func(const char ci, const B b); // expected-note {{candidate function}}
void func(const B b, const int ci); // expected-note {{candidate function}}
const int Test1() {
func(b1, f()); // expected-error {{call to 'func' is ambiguous}}
return f(); // expected-error {{conversion from 'struct test0::B' to 'int const' is ambiguous}}
}
// This used to crash when comparing the two operands.
void func2(const char cc); // expected-note {{candidate function}}
void func2(const int ci); // expected-note {{candidate function}}
void Test2() {
func2(b1); // expected-error {{call to 'func2' is ambiguous}}
}
}
namespace test1 {
struct E;
struct A {
A (E&);
};
struct E {
operator A ();
};
struct C {
C (E&);
};
void f1(A); // expected-note {{candidate function}}
void f1(C); // expected-note {{candidate function}}
void Test2()
{
E b;
f1(b); // expected-error {{call to 'f1' is ambiguous}}
// ambiguous because b -> C via constructor and
// b → A via constructor or conversion function.
}
}