| // DR 391 says that we always bind a reference to the base subobject; it is | |
| // incorrect to call the A copy constructor to initialize the parameter of | |
| // f. | |
| int fail; | |
| struct A { | |
| A() { } | |
| A(const A&) { fail = 1; } | |
| }; | |
| struct B : public A { }; | |
| struct X { | |
| operator B() { return B(); } | |
| }; | |
| X x; | |
| void f (const A&) { } | |
| int main() | |
| { | |
| f(x); | |
| return fail; | |
| } |