<rdar://problem/21002666>
Created attachment 253447 [details] Patch
Created attachment 253449 [details] Patch
Comment on attachment 253449 [details] Patch r=me
It's strange that a bug in the incremental sweeper could cause runaway memory use. By design, each new object allocated should sweep an old object freed. The incremental sweeper is supposed to be an optimization, not an essential way to avoid runaway memory use.
Comment on attachment 253449 [details] Patch Clearing flags on attachment: 253449 Committed r184652: <http://trac.webkit.org/changeset/184652>
All reviewed patches have been landed. Closing bug.