This makes the web process crash in some cases
Created attachment 357209 [details] Patch
<rdar://problem/46675985>
Created attachment 357230 [details] Patch
Comment on attachment 357230 [details] Patch Clearing flags on attachment: 357230 Committed r239167: <https://trac.webkit.org/changeset/239167>
All reviewed patches have been landed. Closing bug.