[Webkit-unassigned] [Bug 86032] New: Problems with vertical-rl text and compositing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=86032

           Summary: Problems with vertical-rl text and compositing
           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: bdakin at apple.com


While investigating https://bugs.webkit.org/show_bug.cgi?id=86025 Simon and I discovered another strange bug with vertical text and compositing. Open the attached test case in Safari. Scroll to the left to reveal the rest of the green box, and notice that instead of the expected white background, you end up seeing the green box over a shadow or dark linen or something.

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