After 267849@main, if the web process crashes while an event is being handled a debug assertion will fail in `Connection::markCurrentlyDispatchedMessageAsInvalid()`.
<rdar://problem/115635276>
Pull request: https://github.com/WebKit/WebKit/pull/17850
Committed 268095@main (791e55b6738d): <https://commits.webkit.org/268095@main> Reviewed commits have been landed. Closing PR #17850 and removing active labels.