gcc/testsuite/g++.old-deja/g++.jason/overload32.C

// { dg-do assemble  }
// PRMS Id: 7128

class B {};

class D : public B {};

class X {
 public:
   operator const B & () const;
   operator const D & () const;
};
	
void f( const D & );

void g( const X & x )
{
   f( x );
}