Fix race condition, spotted by ugexe++
Fix race condition, spotted by ugexe++

That sadly also means we have at least 2 more object creations at
each startup.

tbrowder/rakudo,salortiz/rakudo,labster/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,rakudo/rakudo,rakudo/rakudo,salortiz/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,salortiz/rakudo,labster/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,rakudo/rakudo,labster/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,salortiz/rakudo,rakudo/rakudo,salortiz/rakudo,rakudo/rakudo,salortiz/rakudo,rakudo/rakudo,labster/rakudo,labster/rakudo,labster/rakudo,tbrowder/rakudo