Fix regex `**` with non-Int values…
Fix regex `**` with non-Int values…

…leaving behind unhandled Failures

tbrowder/rakudo,Gnouc/rakudo,salortiz/rakudo,raydiak/rakudo,nbrown/rakudo,labster/rakudo,tony-o/rakudo,MasterDuke17/rakudo,rakudo/rakudo,salortiz/rakudo,lucasbuchala/rakudo,rakudo/rakudo,jonathanstowe/rakudo,labster/rakudo,softmoth/rakudo,rakudo/rakudo,raydiak/rakudo,tony-o/rakudo,tony-o/rakudo,nbrown/rakudo,awwaiid/rakudo,tbrowder/rakudo,raydiak/rakudo,tony-o/rakudo,tbrowder/rakudo,rakudo/rakudo,labster/rakudo,usev6/rakudo,nbrown/rakudo,rakudo/rakudo,lucasbuchala/rakudo,awwaiid/rakudo,tbrowder/rakudo,Gnouc/rakudo,MasterDuke17/rakudo,awwaiid/rakudo,awwaiid/rakudo,MasterDuke17/rakudo,lucasbuchala/rakudo,softmoth/rakudo,nbrown/rakudo,salortiz/rakudo,Gnouc/rakudo,usev6/rakudo,jonathanstowe/rakudo,jonathanstowe/rakudo,MasterDuke17/rakudo,softmoth/rakudo,salortiz/rakudo,Gnouc/rakudo,labster/rakudo,softmoth/rakudo,jonathanstowe/rakudo,MasterDuke17/rakudo,tony-o/rakudo,jonathanstowe/rakudo,labster/rakudo,tbrowder/rakudo,nbrown/rakudo,tony-o/rakudo,lucasbuchala/rakudo,awwaiid/rakudo,usev6/rakudo,labster/rakudo,usev6/rakudo,raydiak/rakudo,salortiz/rakudo,tbrowder/rakudo,Gnouc/rakudo,lucasbuchala/rakudo,usev6/rakudo,nbrown/rakudo,MasterDuke17/rakudo,salortiz/rakudo,rakudo/rakudo,softmoth/rakudo,Gnouc/rakudo