[Webkit-unassigned] [Bug 106586] NodeRareData and NodeListsNodeData are never deleted until Node is deleted even if they're no longer used

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=106586





--- Comment #5 from Elliott Sprehn <esprehn at chromium.org>  2013-01-16 17:53:09 PST ---
I have some fear this will regress performance by creating a lot of memory churn. For instance doing node.childList repeatedly and letting it drop off it will not just allocate the ChildNodeList like it does now, but the NodeRareData, NodeListsNodeData and the ChildNodeList every time.

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