[Webkit-unassigned] [Bug 195845] UI-process hit-testing needs to know about containing block relationships

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=195845

--- Comment #2 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
On macOS, what happens is that hit-testing finds the position:relative box via a reverse z-order tree walk, then via event propagation up the DOM, the element with overflow:scroll handles the event.

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