see LayoutTests/fast/inline/inline-with-empty-inline-continuations.html
Created attachment 416905 [details] Patch
Created attachment 416972 [details] Patch
<rdar://problem/72970238>
Created attachment 417355 [details] Patch
Created attachment 417361 [details] Patch
Created attachment 417767 [details] Patch
Created attachment 417772 [details] Patch
Committed r271562: <https://trac.webkit.org/changeset/271562> All reviewed patches have been landed. Closing bug and clearing flags on attachment 417772 [details].