[Webkit-unassigned] [Bug 149338] [ES6] "super" and "this" should be lexically bound inside an arrow function and should live in a JSLexicalEnvironment

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=149338

--- Comment #74 from GSkachkov <gskachkov at gmail.com> ---
(In reply to comment #73)
> I renamed the bug to better indicate what the patch is doing.
> 
> How is performance on this bug? Can you run the perf tests
> just to make sure we haven't regressed on things non-arrow function related.
> We may have regressed slightly on some arrow-function tests, but that's
> expected. Also, this will get better once you implement some basic static
> analysis for "this" usage so we don't store "this" in the environment unless
> we really need to.

Thanks for the review, hope I soon land patch with fixes. I'll provide the perf test result with patch

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