https://trac.webkit.org/changeset/237849 breaks MotionMark (nothing paints when the test starts).
Created attachment 354151 [details] Patch
Comment on attachment 354151 [details] Patch Clearing flags on attachment: 354151 Committed r237946: <https://trac.webkit.org/changeset/237946>
All reviewed patches have been landed. Closing bug.
<rdar://problem/45890763>