RenderMultiColumnFlowThread::processPossibleSpannerDescendant() expects the parent to be RenderBlockFlow.
rdar://problem/18502182
Created attachment 242441 [details] Patch
Comment on attachment 242441 [details] Patch r=me
Comment on attachment 242441 [details] Patch Clearing flags on attachment: 242441 Committed r176750: <http://trac.webkit.org/changeset/176750>
All reviewed patches have been landed. Closing bug.
*** Bug 137258 has been marked as a duplicate of this bug. ***