[Webkit-unassigned] [Bug 72346] Weak reference harvesters should run to fixpoint

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=72346





--- Comment #4 from Filip Pizlo <fpizlo at apple.com>  2011-11-15 12:10:22 PST ---
(In reply to comment #3)
> You have probably already seen it, but this could be tangentially relative to ES.next weak maps:
> 
> http://wiki.ecmascript.org/doku.php?id=harmony:weak_maps
> 
> They propose an ephemeron-table weak map implementation, that avoids marking the values until a key is known to be alive.

It is related. :-)  The big question for me is whether or not it would be wise to expose the O(n^2) implementation in this patch to the wild wild web.  My code should work great mainly because its uses will be limited to optimized JIT code, which constitutes a tiny fraction of the heap.  Not sure what will happen with these weak map thingies.

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