patch, part 4, report invalid handles when they occur. r=julien.pierre git-svn-id: svn://10.0.0.236/trunk@254567 18797224-902f-48f8-a5cc-f745e15eee43
patch, part 4, report invalid handles when they occur. r=julien.pierre git-svn-id: svn://10.0.0.236/trunk@254567 18797224-902f-48f8-a5cc-f745e15eee43