We should work to eliminate it.
Created attachment 46009 [details] Reverse IsRefPtrType test, v1.
style-queue ran check-webkit-style on attachment 46009 [details] without any errors.
Comment on attachment 46009 [details] Reverse IsRefPtrType test, v1. LGTM, r=me.
Landed as http://trac.webkit.org/changeset/53083.