[Webkit-unassigned] [Bug 104460] New: Outline incorrectly repainted in compositing layer with overflow:hidden

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=104460

           Summary: Outline incorrectly repainted in compositing layer
                    with overflow:hidden
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: simon.fraser at apple.com


Created an attachment (id=178388)
 --> (https://bugs.webkit.org/attachment.cgi?id=178388&action=review)
Testcase

In the attached test case, hover over the grey boxes; note the blue outline. Now hover over one of the first three red boxes; the outline doesn't correctly paint.

Not a recent regression.

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