Make more flags type safe.
Created attachment 346913 [details] patch
Comment on attachment 346913 [details] patch Nice.
Comment on attachment 346913 [details] patch Clearing flags on attachment: 346913 Committed r234768: <https://trac.webkit.org/changeset/234768>
All reviewed patches have been landed. Closing bug.
<rdar://problem/43153059>
Followup in https://trac.webkit.org/changeset/234782