[Webkit-unassigned] [Bug 166568] [GTK] ASSERTION FAILED: !source || is<Target>(*source) in CoordinatedGraphicsLayer::removeFromParent

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=166568

--- Comment #5 from Michael Catanzaro <mcatanzaro at igalia.com> ---
(In reply to Michael Catanzaro from comment #4)
> The problem is the parent layer has already been destroyed. But, from code
> inspection, it looks like that should be impossible. I'm missing something.

More specifically, the problem is that, at the time the parent layer was destroyed, it had no children, i.e. its m_children.size() was 0, so it did not unparent the child layer when destroyed, because it did not know about the child layer. But the child layer still holds a dangling pointer to the parent layer.

Remaining question is why.

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