Causes a crash on Windows XP systems once it goes above 489 rectangles

Main.hx

package ;

import flash.display.Sprite;
import flash.events.Event;
import flash.Lib;
import flash.text.TextField;

class Main extends Sprite {
	
	var rectCount:Int = 0;
	var text:TextField;
	
	function init() {
		// try toggling this line on and off
		text = new TextField();
		if (text != null) addChild(text);
		
		addEventListener(Event.ENTER_FRAME, handleEnterFrame);
	}
	
	private function handleEnterFrame(e:Event):Void {
		rectCount += 1;
		trace(rectCount);
		
		graphics.clear();
		
		// draws a bunch of randomly colored rectangles
		for (i in 0 ... rectCount){
			graphics.beginFill(Std.int(Math.random() * 0xffffff));
			graphics.drawRect(Math.random() * (stage.stageWidth - 20), Math.random() * (stage.stageHeight - 20), 20, 20);
		}
		
		// pad this string with more text to make it crash sooner
		if (text != null) text.text = Std.string(rectCount)
	}
	
	public function new() {
		super();	
		addEventListener(Event.ADDED_TO_STAGE, added);
	}

	function added(e) {
		removeEventListener(Event.ADDED_TO_STAGE, added);
		init();
	}
	
	public static function main() {
		Lib.current.stage.align = flash.display.StageAlign.TOP_LEFT;
		Lib.current.stage.scaleMode = flash.display.StageScaleMode.NO_SCALE;
		Lib.current.addChild(new Main());
	}
}