[Webkit-unassigned] [Bug 41451] New: [Qt] Crash when destroying a QWebView with a QComboBox as its child.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=41451

           Summary: [Qt] Crash when destroying a QWebView with a QComboBox
                    as its child.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: Qt, QtTriaged
          Severity: Critical
          Priority: P2
         Component: Forms
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jocelyn.turcotte at nokia.com
            Blocks: 35784


To reproduce:
- Open a page with combo boxes and click one of them (like http://www.google.com/advanced_search )
- Get the QWebView destroyed (either by closing the tab in Arora or by switching to graphics web view in QtTestBrowser)
- Wander around browsing waiting for the cache to get cleaned (might take something between 1 and 5 minutes)

What happens is that when we show the combo box popup, we set the QWebView as the QComboBox parent.
If the QComboBox gets destroyed because of its parent getting destroyed, the reference in the render tree become dangling.

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