[Webkit-unassigned] [Bug 160870] Member call on NULL pointer in JavaScriptCore/dfg/DFGAbstractInterpretterInlines.h

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=160870

--- Comment #5 from Saam Barati <sbarati at apple.com> ---
Comment on attachment 286102
  --> https://bugs.webkit.org/attachment.cgi?id=286102
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=286102&action=review

> Source/JavaScriptCore/ChangeLog:9
> +        (JSC::DFG::AbstractInterpreter<AbstractStateType>::executeEffects): NULL check on m_phiChildren before function call.

Can you elaborate on why this happens?

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