[webkit-reviews] review requested: [Bug 5686] maked Shared::deref faster by eliminating multiple branches : [Attachment 4649] get rid of the double if statement in deref without changing semantics

[bugzilla-request-daemon at opendarwin.org]

Darin Adler <darin at apple.com> has asked  for review:
Bug 5686: maked Shared::deref faster by eliminating multiple branches
http://bugzilla.opendarwin.org/show_bug.cgi?id=5686

Attachment 4649: get rid of the double if statement in deref without changing
semantics
http://bugzilla.opendarwin.org/attachment.cgi?id=4649&action=edit