[Webkit-unassigned] [Bug 198532] Sticky positioning is jumpy in many overflow cases

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=198532

--- Comment #6 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
Comment on attachment 371290
  --> https://bugs.webkit.org/attachment.cgi?id=371290
patch

View in context: https://bugs.webkit.org/attachment.cgi?id=371290&action=review

> Source/WebCore/page/scrolling/cocoa/ScrollingTreeStickyNode.mm:83
> +        for (auto* ancestor = parent(); ancestor; ancestor = ancestor->parent()) {

Also, shame this is making the tree walk O(n^2)

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