The InputHandler.flagged property has been removed. It was never used internally, or exposed via the API, so was just overhead.

Author: photonstorm

src/input/InputHandler.js

@@ -330,8 +330,6 @@ Phaser.InputHandler.prototype = {
         this.sprite.events.onAddedToGroup.add(this.addedToGroup, this);
         this.sprite.events.onRemovedFromGroup.add(this.removedFromGroup, this);
 
-        this.flagged = false;
-
         return this.sprite;
 
     },
@@ -388,7 +386,6 @@ Phaser.InputHandler.prototype = {
     reset: function () {
 
         this.enabled = false;
-        this.flagged = false;
 
         for (var i = 0; i < 10; i++)
         {