[Webkit-unassigned] [Bug 175340] AX: crash at WebCore::AccessibilityObject::supportsARIALiveRegion() const + 24

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=175340

--- Comment #42 from zalan <zalan at apple.com> ---
(In reply to Nan Wang from comment #39)
> (In reply to zalan from comment #38)
> > IIRC WeakPtr is not cheap. Did you measure the impact on memory consumption?
> 
> This should only impact the page with svg root available. 
> I've tested with the page with lots of svg elements being added/removed
> constantly. The memory consumptions are similar before/after this change.
It increases the size of every AccessibilityRenderObject. Anyway, it should be fine.

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