//
// This test probes using an operator overloaded in a parents' parent
//

class X {
	public static bool called = false;
	
	static public X operator + (X a, X b)
	{
		called = true;
		return null;
	}
}

class Y : X {
}

class Z : Y {
}

class driver {

	static int Main ()
	{
		Z a = new Z ();
		Z b = new Z ();
		X c = a + b;

		if (X.called)
			return 0;

		return 1;
	}

}

