[Webkit-unassigned] [Bug 161276] AX: Crash at AccessibilityRenderObject::computeAccessibilityIsIgnored const + 552

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=161276

--- Comment #7 from Nan Wang <n_wang at apple.com> ---
(In reply to comment #6)
> Maybe we can just do
> 
> RenderObject protect(mrenderer)
> 
> Then access it everywhere with
> 
> protect.isBR() and likewise with dot operator
> 

Why would this work? A reference is just an alia of the object and the object can still be nulled during this function, right? And C++ has undefined behavior on null reference, it will also cause crash?

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