[Webkit-unassigned] [Bug 70468] DFG call optimization handling will fail if the call had been unlinked due to the callee being optimized

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=70468





--- Comment #3 from Filip Pizlo <fpizlo at apple.com>  2011-10-19 20:53:01 PST ---
(In reply to comment #2)
> (From update of attachment 111720 [details])
> lastSeenCallee isn't marked so this isn't safe, but also this may result in dead functions being kept alive longer than is strictly necessary.  I would almost consider going with a Weak<> ref rather than WriteBarrier<JSFunction> if we can get do it without a perf impact

I'll change it to use the WeakReferenceHarvester approach.

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