Created attachment 288279 [details]
Created attachment 288284 [details]
Comment on attachment 288284 [details]
View in context: https://bugs.webkit.org/attachment.cgi?id=288284&action=review
> + This moves the buffer out of CopiedSpace and into Auxiliary MarkedSpace.
Also mention that you're removing MapData since it's no longer used.
Landed in https://trac.webkit.org/changeset/205654