emberjs/ember.js — pull request #4240 by raytiley (2014-01-26 22:03:39+00:00)
Title: Update route-recognizer

The updated route-recognizer no longer relies on the isArray and indexOf
methods of Array. Should help with IE8 compatibility.

This should help with: https://github.com/emberjs/ember.js/issues/4239 but I haven't tested IE8 specifically.