facebook/regenerator — pull request #133 by fkling (2014-10-30 06:19:22+00:00)
Title: Fall back to '@@iterator' in for-of loop.

Regenerator's for-of implementation doesn't play nice with other code that uses `'@@iterator'` to "polyfill" iterables.

This would be useful for libraries since they can't necessarily use a global `Symbol.iterator` polyfill.