compiler error?

I cant figure why this won't work...I've done it before!

Code:

---

class A {
public:
void Do(A& a){}
};

class B : public A {
public:
};

class C : public A {
public:
};

int
main( void )
{
 B b;
 C c;
 
 c.Do(b);  /* ERROR!*/
 b.Do(c);  /* ERROR!*/

 return 0;
}

---

-- am I missing something here??


Code tags added by Hammer

What are the compiler errors? That code compiled for me (g++ 3.2)

The code compiled fine for me in Dev-C++

Borland 5.01 compiles it ..

VC++ 6.0, works fine.