emberjs/ember.js — pull request #5621 by stefanpenner (2014-09-21 18:36:20+00:00)
Title: [Bugfix Beta] detect if we can use toString to analyze functions

In some modes platforms like PS3 + FireFox OS will discard these sources to save on memory. Instead we will opt into this perf only after we detect the ability.

cc @krisselden