emberjs/ember.js — pull request #2273 by mutewinter (2013-03-13 14:25:42+00:00)
Title: Fixes {{control}} rerendering when destroyed

I'm sure there's a larger problem here. As far as I can tell, {{control}}s don't register with the parentView, causing them to not be properly destroyed. This is just a hack to keep it from crashing my app.