Otherwise, OAS may think they're dead, and not materialize allocations for |this|.
<rdar://problem/39377796>
Created attachment 341629 [details] patch
Comment on attachment 341629 [details] patch r=me.
Comment on attachment 341629 [details] patch Clearing flags on attachment: 341629 Committed r232334: <https://trac.webkit.org/changeset/232334>
All reviewed patches have been landed. Closing bug.