The call to loadVariable(.) both for 32bit and 64bit seems unnecessary. It grabs a value that is immediately overwritten by a call to getGlobalVar(). It should be safe to just delete these calls.
Created attachment 254916 [details] patch Let's see what EWS thinks. Running tests locally, too.
Comment on attachment 254916 [details] patch Clearing flags on attachment: 254916 Committed r185596: <http://trac.webkit.org/changeset/185596>
All reviewed patches have been landed. Closing bug.