[Webkit-unassigned] [Bug 140867] New: [Win] Accessibility Layout tests accessing content while layout is in-process

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=140867

            Bug ID: 140867
           Summary: [Win] Accessibility Layout tests accessing content
                    while layout is in-process
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bfulgham at webkit.org

The following layout test is failing on Windows in debug mode due to an assertion firing.

accessibility/aria-labelledby-overrides-aria-label.html

Probable cause:

The following assertion is firing:

    // The render tree should be stable before going ahead. Otherwise, further uses of the
    // TextIterator will force a layout update, potentially altering the accessibility tree
    // and leading to crashes in the loop that computes the result text from the children.
    ASSERT(!document()->renderView()->layoutState());
    ASSERT(!document()->childNeedsStyleRecalc());

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