[Webkit-unassigned] [Bug 198943] New: m_disconnectedFrame can be null in DOMWindowExtension::willDestroyGlobalObjectInCachedFrame()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=198943

            Bug ID: 198943
           Summary: m_disconnectedFrame can be null in
                    DOMWindowExtension::willDestroyGlobalObjectInCachedFra
                    me()
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rniwa at webkit.org

m_disconnectedFrame should never be null inside DOMWindowExtension::willDestroyGlobalObjectInCachedFrame().
This is happening in wild :(

<rdar://problem/49613448>

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