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

53 lines
1.1 KiB
C++

// RUN: clang-cc -fsyntax-only -verify %s
// Test1
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 B' to 'int const' is ambiguous}}
}
// Test2
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.
}