[Webkit-unassigned] [Bug 236260] REGRESSION (15.4): Angular virtual scrollers no longer work (because of contain:strict)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=236260

zalan <zalan at apple.com> changed:

           What    |Removed                     |Added
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                 CC|                            |zalan at apple.com

--- Comment #12 from zalan <zalan at apple.com> ---
This must have regressed at https://trac.webkit.org/changeset/285885/webkit

as this code below does not look correct:

void RenderBox::addOverflowFromChild(const RenderBox* child, const LayoutSize& delta)
{
    if (paintContainmentApplies())
        return;
...

paint containment should not prevent collecting scrollable overflow (only ink overflow)

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