[Webkit-unassigned] [Bug 139654] DropAllLocks assertion on iOS

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=139654

Geoffrey Garen <ggaren at apple.com> changed:

           What    |Removed                     |Added
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                 CC|                            |ggaren at apple.com

--- Comment #2 from Geoffrey Garen <ggaren at apple.com> ---
I looked through the Instruments trace and it convinced me of something that, in retrospect, is obvious just from the crashing backtrace: It's possible for SendDelegateMessage to DropAllLocks when it doesn't hold the lock and, if it does so while the main thread is garbage collecting, this RELEASE_ASSERT will file.

I think the right solution here is to refactor this RELEASE_ASSERT not to fire under this condition, since the condition is otherwise harmless.

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