From a1498925ef8548821a8223c7f3d9e3a6859675cd Mon Sep 17 00:00:00 2001
From: Robin Ward <robin.ward@gmail.com>
Date: Thu, 4 Dec 2014 16:10:10 -0500
Subject: [PATCH] FIX: Errors due to `_elementCreated` called on `null`

---
 vendor/assets/javascripts/ember-cloaking.js | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/vendor/assets/javascripts/ember-cloaking.js b/vendor/assets/javascripts/ember-cloaking.js
index c207d930749..50eb5c67832 100644
--- a/vendor/assets/javascripts/ember-cloaking.js
+++ b/vendor/assets/javascripts/ember-cloaking.js
@@ -306,23 +306,23 @@
     setContainedView: function(cv) {
       if (this._childViews[0]) {
         this._childViews[0].destroy();
+        this._childViews[0] = cv;
       }
-      this._childViews[0] = cv;
-      this.setupChildView(cv);
-      if (!this._elementCreated || this._scheduled) return;
 
+      if (cv) {
+        cv.set('_parentView', this);
+        cv.set('templateData', this.get('templateData'));
+        this._childViews[0] = cv;
+      } else {
+        this._childViews.clear();
+      }
+
+      if (!this._elementCreated || this._scheduled) return;
       this._scheduled = true;
       this.set('_containedView', cv);
       Ember.run.schedule('render', this, this.updateChildView);
     },
 
-    setupChildView: function (childView) {
-      if (childView) {
-        childView.set('_parentView', this);
-        childView.set('templateData', this.get('templateData'));
-      }
-    },
-
     render: function (buffer) {
       var el = buffer.element();
       this._childViewsMorph = buffer.dom.createMorph(el, null, null, el);