Generational marking is off in ToT, but some of the machinery to make it work isn't fully disabled which is causing regressions on dromaeo. We should disable more things to get to a point where the patch is no regression when ENABLE_GGC == 0 because it would be nice to have the option to disable generational collection for diagnosing any potential GGC bugs.
Created attachment 221075 [details] Patch
I ran dromaeo and it looks like this patch fixes the obvious regressions.
Comment on attachment 221075 [details] Patch Clearing flags on attachment: 221075 Committed r161914: <http://trac.webkit.org/changeset/161914>
All reviewed patches have been landed. Closing bug.
*** Bug 126902 has been marked as a duplicate of this bug. ***