google/traceur-compiler — pull request #815 by arv (2014-03-02 22:04:01+00:00)
Title: Move code from into CPS generator transformer

This moves the special case handling of `yield *` and `expr = yield` into GeneratorTransformer (which is the generator specific CPS transformer) instead of doing it in a preprocessing.

The motivation for this is to eventually support more yield expression and not all yield expressions can be done in a preprocesser.