[Webkit-unassigned] [Bug 81002] ASSERTION FAILED: m_purgePreventCount in FontCache::getCachedFontData running svg/custom/animate-disallowed-use-element.svg

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=81002





--- Comment #4 from Nikolas Zimmermann <zimmermann at kde.org>  2012-04-01 11:17:58 PST ---
(In reply to comment #3)
> This is causing crashes on the debug bots.
> 
> I question why all the work is being done under willBeDestroyed() though. Looks like useless work
In case you missed my comment from the other bug report 82815, the work done there is absolutely needed when removing eg. tspan children dynamically from a text subtree - it's an optimization actually, to avoid rebuilding the whole text tree upon the next layout, if only a child got removed. Part of that logic lives in willBeDestroyed(). I think Tim knows what this is about as well.

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