dherman/narcissus — comment on commit 82c9b73215672bd0d579e3dc9ec0d8475ac02629
File: lib/jsexec.js line 1228
By syg:

Why is this set to the proxy when the only place I can see it being used in the `GENERATOR` case is to look up the very same `FunctionalInternal` object? That is, what was wrong with the old `x2.callee = this`?