[Webkit-unassigned] [Bug 135879] iOS 8 beta 5 Set forEach sometimes triggers wrong number of times

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=135879





--- Comment #9 from Oliver Hunt <oliver at apple.com>  2014-08-14 10:01:23 PST ---
(In reply to comment #8)
> To address other comments:
> 
> - these cases only test Set - Map is not used at all so I'm afraid I can't comment if it is also affected
> 
> - the Set is never mutated whilst iterating, if you look at the code example its a pretty trivial way to dump the contents in to an array.

Yeah, i'm currently investigating our gc copy+pack pass my assumption is that it's responsible for messing everything up

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