// { dg-do assemble }
// prms-id: 438
class D;
class C
{
public:
void test() const;
};
class D
void a(C& b); // { dg-message "candidate is" }
void C::test() const
D d;
d.a(*this); // { dg-error "match" } *this is const, so should get error
}