Unhandled exception: Method 'Stringy' not found for invocant of class 'NQPMu'
  in print_exception (gen/jvm/CORE.setting:10728)
  in <anon> (gen/jvm/CORE.setting)
  in command_eval (gen/jvm/stage2/NQPHLL.nqp:1230)
  in command_eval (src/Perl6/Compiler.nqp:17)
  in command_line (gen/jvm/stage2/NQPHLL.nqp:1171)
  in MAIN (gen/jvm/main.nqp:45)
  in  (gen/jvm/main.nqp:41)
  in  (gen/jvm/main.nqp)