Fix #12149. Avoid memory leak on oldIE change events. Close gh-878.

AUTHORS.txt

@@ -130,3 +130,4 @@ Uri Gilad <antishok@gmail.com>
 Chris Faulkner <thefaulkner@gmail.com>
 Elijah Manor <elijah.manor@gmail.com>
 Daniel Chatfield <chatfielddaniel@googlemail.com>
+Nikita Govorov <nikita.govorov@gmail.com>

src/event.js

@@ -832,7 +832,7 @@ if ( !jQuery.support.changeBubbles ) {
 		teardown: function() {
 			jQuery.event.remove( this, "._change" );
 
-			return rformElems.test( this.nodeName );
+			return !rformElems.test( this.nodeName );
 		}
 	};
 }

test/unit/event.js

@@ -2985,6 +2985,29 @@ if ( hasPHP ) {
 
 })();
 
+test("change handler should be detached from element", function() {
+	expect( 2 );
+
+	var $fixture = jQuery( "<input type='text' id='change-ie-leak' />" ).appendTo( "body" );
+
+	var originRemoveEvent =  jQuery.removeEvent;
+
+	var wrapperRemoveEvent =  function(elem, type, handle){
+		equal("change", type, "Event handler for 'change' event should be removed");
+		equal("change-ie-leak", jQuery(elem).attr("id"), "Event handler for 'change' event should be removed from appropriate element");
+		originRemoveEvent(elem, type, handle);
+	};
+
+	jQuery.removeEvent = wrapperRemoveEvent ;
+
+	$fixture.bind( "change", function( event ) {});
+	$fixture.unbind( "change" );
+
+	$fixture.remove();
+
+	jQuery.removeEvent = originRemoveEvent;
+});
+
 asyncTest("trigger click on checkbox, fires change event", function() {
 	expect(1);