js/libs/ember-1.5.1.js
function _addMetamorphCheck() {
  Ember.Handlebars.EachView.reopen({
    _checkMetamorph: Ember.on('didInsertElement', function() {
      Ember.assert("The metamorph tags, " +
                   this.morph.start + " and " + this.morph.end +
                   ", have different parents.\nThe browser has fixed your template to output valid HTML (for example, check that you have properly closed all tags and have used a TBODY tag when creating a table with '{{#each}}')",
        document.getElementById( this.morph.start ).parentNode ===
        document.getElementById( this.morph.end ).parentNode
      );
    })
  });
}
function _addMetamorphCheck() {
  Ember.Handlebars.EachView.reopen({
    _checkMetamorph: Ember.on('didInsertElement', function() {
      Ember.assert("The metamorph tags, " +
                   this.morph.start + " and " + this.morph.end +
                   ", have different parents.\nThe browser has fixed your template to output valid HTML (for example, check that you have properly closed all tags and have used a TBODY tag when creating a table with '{{#each}}')",
        document.getElementById( this.morph.start ).parentNode ===
        document.getElementById( this.morph.end ).parentNode
      );
    })
  });
}
Defeatureify doesn't seem to like nested functions that need to be removed