emberjs/ember.js — pull request #5115 by ef4 (2014-07-06 19:36:08+00:00)
Title: Fix {{#with view.foo as bar}}

The `with` helper can correctly bind through the `view` keyword when
it's used like this:

{{#with view.foo}}

But the binding is broken if you try it like this:

{{#with view.foo as bar}}

This change fixes it.