[Webkit-unassigned] [Bug 54758] Crash when laying out page with loaded fonts (intermittent)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=54758





--- Comment #1 from Russell Brenner <russell at android.com>  2011-02-18 11:08:32 PST ---
Created an attachment (id=82984)
 --> (https://bugs.webkit.org/attachment.cgi?id=82984&action=review)
proposed patch

This patch simply removes the calls to pruneTable() at the moment that the font download is completed, deferring pruning until destruction of the owner.

Element::recalcStyle triggers ~Font, which leads to FontCache::removeClient, which leads to ~CSSSegmentedFontFace and ~CSSFontFaceSource, each of which calls pruneTable at a time when it appears safe to do so.

This patch is #ifdef'ed for Android, but I believe it to be safe for all platforms.

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