Use typed exception for illegal new.
Use typed exception for illegal new.

MasterDuke++ and Zoffix++ for code review.

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