[Webkit-unassigned] [Bug 210911] Nullptr crash in objc_msgSend under WebCore::genericFamily

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=210911

--- Comment #9 from Antti Koivisto <koivisto at iki.fi> ---
 dynamic_cf_cast does have debug assert so it seems equivalent to my original patch:

    ASSERT_WITH_SECURITY_IMPLICATION(CFGetTypeID(object) == CFTypeTrait<T>::typeID());
    if (CFGetTypeID(object) != CFTypeTrait<T>::typeID())
        return nullptr;

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