Null check value returned by WorkerOrWorkletGlobalScope::script() since it can in theory be null (it gets cleared in prepareForDestruction()).
Created attachment 445460 [details] Patch
Committed r286349 (244708@main): <https://commits.webkit.org/244708@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 445460 [details].
<rdar://problem/85907320>