Don't swallow the message if a debug precondition fails
Don't swallow the message if a debug precondition fails

BenJenkinson/nodatime,malcolmr/nodatime,nodatime/nodatime,malcolmr/nodatime,malcolmr/nodatime,jskeet/nodatime,jskeet/nodatime,malcolmr/nodatime,nodatime/nodatime,BenJenkinson/nodatime