Since r249022 a few issues have crept in which have broken non-unified builds.
Created attachment 378390 [details] Patch
Comment on attachment 378390 [details] Patch rs=me
Comment on attachment 378390 [details] Patch Clearing flags on attachment: 378390 Committed r249714: <https://trac.webkit.org/changeset/249714>
All reviewed patches have been landed. Closing bug.
<rdar://problem/55222791>
<rdar://problem/55222792>