The WebContent process may crash in unionDOMRanges if Range::compareBoundaryPoints throws an exception.
<rdar://problem/30631070>
Created attachment 304470 [details] Patch
Comment on attachment 304470 [details] Patch Clearing flags on attachment: 304470 Committed r214003: <http://trac.webkit.org/changeset/214003>
All reviewed patches have been landed. Closing bug.