It can end up with multiple InlineItems after merge
<rdar://problem/56770286>
Created attachment 382422 [details] Patch
Created attachment 382464 [details] Patch
Comment on attachment 382464 [details] Patch Clearing flags on attachment: 382464 Committed r251851: <https://trac.webkit.org/changeset/251851>
All reviewed patches have been landed. Closing bug.