[Webkit-unassigned] [Bug 63646] Crash in SVGUseElement::updateContainerOffsets on <use> with no parent

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=63646





--- Comment #4 from Tim Horton <timothy_horton at apple.com>  2011-06-30 17:19:46 PST ---
Nope, I think this one is beyond me for now.

It's clear that it's because we're unlinking the middle use in the chain from its child content, but I can't follow exactly where we diverge from the case where the first use in the chain (the last one in the file) doesn't exist.

I don't know enough about the shadow tree and friends to track this one down yet.

Feels like we're just failing to detachInstance() or something, but I'm not sure where.

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