[Webkit-unassigned] [Bug 191532] ASSERTION FAILED: !m_embeddedObjectsToUpdate->contains(nullptr) in WebCore::FrameView::updateEmbeddedObjects

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=191532

--- Comment #3 from Jack <shihchieh_lee at apple.com> ---
Without the assertion (in release build), there is no crash. The only issue with recursively calling updateEmbeddedObjectsTimerFired causes the first nullptr embeddedObject (marker) to be flushed by the recursive call, so the update doesn't stop at the intended marker position, potentially prolong the process and defeat the purpose of putting a marker.

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