RuleSet only needs to support append operations, so it's a great candidate for BumpArena optimizations.
Created attachment 269135 [details] Patch
r=me
Comment on attachment 269135 [details] Patch Clearing flags on attachment: 269135 Committed r195173: <http://trac.webkit.org/changeset/195173>
All reviewed patches have been landed. Closing bug.
Reverted r195173 for reason: It relies on r195141 which was rolled out Committed r195309: <http://trac.webkit.org/changeset/195309>
This change will crash JetStream on "bigfib.cpp".