ReadableStreamDefaultController::invoke should handle worker termination exceptions
Actually, there is a bigger issue here as we should not use controller.enqueue like this since it can be overridden by JS.
Created attachment 405269 [details] Patch
Committed r264967: <https://trac.webkit.org/changeset/264967> All reviewed patches have been landed. Closing bug and clearing flags on attachment 405269 [details].
<rdar://problem/66205231>