When the set of backing-sharing layers changes, we need to issue a repaint
Created attachment 369679 [details] Patch
<rdar://problem/50686229>
*** Bug 197811 has been marked as a duplicate of this bug. ***
Patch may need to sit on top of bug 197824.
Comment on attachment 369679 [details] Patch Clearing flags on attachment: 369679 Committed r245220: <https://trac.webkit.org/changeset/245220>
All reviewed patches have been landed. Closing bug.