HasMemoryCostMemberFunction should work for final classes
Created attachment 212277 [details] Patch
Comment on attachment 212277 [details] Patch Attachment 212277 [details] did not pass win-ews (win): Output: http://webkit-queues.appspot.com/results/2033071
Created attachment 212588 [details] Patch
Committed r156407: <http://trac.webkit.org/changeset/156407>