if (VM.VerifyAssertions) VM.assert(false);
if (VM.VerifyAssertions) VM._assert(false);
    public static String colorName(VM_Address object) {	int c = color(object);	if (c == BLACK)  return "B";	if (c == GREEN)  return "G";	if (c == RED)    return "R";	if (c == PURPLE) return "P";	if (c == GRAY)   return "g";	if (c == WHITE)  return "w";	if (c == ORANGE) return "o";	if (c == BLUE)   return "b";	if (VM.VerifyAssertions) VM.assert(false);	return "X";    }