[Webkit-unassigned] [Bug 245300] Setting scrollTop on fixed element with overflow breaks scrolling on a 'overscroll-behavior:none' page

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=245300

Simon Fraser (smfr) <simon.fraser at apple.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |nmouchtaris at apple.com
           See Also|                            |https://bugs.webkit.org/sho
                   |                            |w_bug.cgi?id=238497

--- Comment #6 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
This happens as a result of adding the overflow's ScrollableArea to the FrameView's scrollable area set, which means we add it to the non-fast scrollable region in ScrollingCoordinator::absoluteEventTrackingRegionsForFrame().

This is fallout from 251454 at main.

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