Speed up List.sum by a few percent
Speed up List.sum by a few percent

jonathanstowe/rakudo,samcv/rakudo,sjn/rakudo,softmoth/rakudo,azawawi/rakudo,LLFourn/rakudo,ab5tract/rakudo,MasterDuke17/rakudo,labster/rakudo,MasterDuke17/rakudo,usev6/rakudo,softmoth/rakudo,raydiak/rakudo,rakudo/rakudo,labster/rakudo,jonathanstowe/rakudo,awwaiid/rakudo,LLFourn/rakudo,usev6/rakudo,usev6/rakudo,labster/rakudo,tony-o/rakudo,softmoth/rakudo,sjn/rakudo,sjn/rakudo,samcv/rakudo,Gnouc/rakudo,ab5tract/rakudo,nbrown/rakudo,tbrowder/rakudo,awwaiid/rakudo,salortiz/rakudo,lucasbuchala/rakudo,zostay/rakudo,Gnouc/rakudo,rakudo/rakudo,jonathanstowe/rakudo,nbrown/rakudo,tbrowder/rakudo,salortiz/rakudo,salortiz/rakudo,nbrown/rakudo,usev6/rakudo,Gnouc/rakudo,zostay/rakudo,tbrowder/rakudo,tbrowder/rakudo,labster/rakudo,labster/rakudo,b2gills/rakudo,Gnouc/rakudo,b2gills/rakudo,tbrowder/rakudo,tony-o/rakudo,azawawi/rakudo,ab5tract/rakudo,ab5tract/rakudo,samcv/rakudo,awwaiid/rakudo,labster/rakudo,softmoth/rakudo,awwaiid/rakudo,salortiz/rakudo,rakudo/rakudo,lucasbuchala/rakudo,sjn/rakudo,awwaiid/rakudo,azawawi/rakudo,Gnouc/rakudo,b2gills/rakudo,nbrown/rakudo,samcv/rakudo,tony-o/rakudo,MasterDuke17/rakudo,jonathanstowe/rakudo,azawawi/rakudo,lucasbuchala/rakudo,zostay/rakudo,zostay/rakudo,salortiz/rakudo,lucasbuchala/rakudo,jonathanstowe/rakudo,MasterDuke17/rakudo,softmoth/rakudo,b2gills/rakudo,rakudo/rakudo,raydiak/rakudo,MasterDuke17/rakudo,tony-o/rakudo,ab5tract/rakudo,raydiak/rakudo,sjn/rakudo,tony-o/rakudo,lucasbuchala/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,raydiak/rakudo,usev6/rakudo,Gnouc/rakudo,salortiz/rakudo,azawawi/rakudo,LLFourn/rakudo,LLFourn/rakudo,tony-o/rakudo,b2gills/rakudo,nbrown/rakudo,rakudo/rakudo,LLFourn/rakudo,samcv/rakudo,nbrown/rakudo,rakudo/rakudo