[Webkit-unassigned] [Bug 95929] renderer()->view() is null

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=95929





--- Comment #2 from snyh <snyh at snyh.org>  2012-09-06 18:26:48 PST ---
(In reply to comment #1)
> Do you happen to have a test case where this happens in practice?

Sorry, I can't get an simply test case.
I have modify the RenderLayer, FrameView etc.


If you need an test case with modify some lite WebCore's code, I can provide one at the later.  


But the point is 
  use renderLayer->absoluteBoundingBox() when the time page reload with two or more div has style "z-index: 0+; position:fixed".  the webcore will crash.

I can sure the RenderLayer and its m_renderer hasn't destroy when doing this.
The problem is at this time the m_renderer has detached from RenderView? 


Now I have test if frame()->document()->renderView() valid when doing other things in my code.

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