assert false;
assert false : "Can't get stack offset " + stackOffset + " from " + stack.toString();
 	public Item getStackItem(int stackOffset) {		if (stackOffset < 0 || stackOffset >= stack.size()) {			assert false;			return new Item("Lfindbugs/OpcodeStackError;");					} 		int tos = stack.size() - 1; 		int pos = tos - stackOffset; 		try { 		return stack.get(pos); 		} catch (ArrayIndexOutOfBoundsException e) { 			throw new ArrayIndexOutOfBoundsException( 				"Requested item at offset " + stackOffset + " in a stack of size " + stack.size() 				+", made request for position " + pos); 		} 	} 