We are not respecting ConcurrentJS status when enabling ConcurrentGC. And concurrent GC sometimes use ConcurrentJSLock to get lock.
We should just make ConcurrentJSLock as Lock.
Created attachment 381338 [details]
Comment on attachment 381338 [details]
Committed r251307: <https://trac.webkit.org/changeset/251307>
*** Bug 200983 has been marked as a duplicate of this bug. ***