For safety and to support shared ownership.
Created attachment 386489 [details] patch
Comment on attachment 386489 [details] patch Clearing flags on attachment: 386489 Committed r253935: <https://trac.webkit.org/changeset/253935>
All reviewed patches have been landed. Closing bug.
<rdar://problem/58231798>
Followup fix in https://trac.webkit.org/r253936