[Webkit-unassigned] [Bug 76003] REGRESSION (r104210): WebProcess spins at 100% CPU for several minutes when loading an internal Apple site

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=76003





--- Comment #3 from Ryosuke Niwa <rniwa at webkit.org>  2012-01-10 18:40:06 PST ---
Oh man... JSNodeList::getOwnPropertySlotByIndex is always calling NodeList::length() before calling NodeList::item(). This would mean that we'll end up iterating through the entire subtree whenever we call DynamicSubtreeNodeList::item from JavaScript unless the length is cached :(

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