Make List.sum handle sparse arrays correctly
Make List.sum handle sparse arrays correctly

ab5tract/rakudo,softmoth/rakudo,jonathanstowe/rakudo,dankogai/rakudo,azawawi/rakudo,dankogai/rakudo,softmoth/rakudo,ungrim97/rakudo,Gnouc/rakudo,tony-o/rakudo,raydiak/rakudo,ab5tract/rakudo,labster/rakudo,labster/rakudo,salortiz/rakudo,nbrown/rakudo,samcv/rakudo,usev6/rakudo,jonathanstowe/rakudo,dankogai/rakudo,tbrowder/rakudo,labster/rakudo,zostay/rakudo,MasterDuke17/rakudo,samcv/rakudo,azawawi/rakudo,MasterDuke17/rakudo,Gnouc/rakudo,awwaiid/rakudo,usev6/rakudo,labster/rakudo,samcv/rakudo,salortiz/rakudo,usev6/rakudo,azawawi/rakudo,lucasbuchala/rakudo,azawawi/rakudo,zostay/rakudo,awwaiid/rakudo,LLFourn/rakudo,tbrowder/rakudo,ab5tract/rakudo,b2gills/rakudo,ungrim97/rakudo,salortiz/rakudo,samcv/rakudo,nbrown/rakudo,tony-o/rakudo,MasterDuke17/rakudo,jonathanstowe/rakudo,paultcochrane/rakudo,lucasbuchala/rakudo,sjn/rakudo,sjn/rakudo,labster/rakudo,jonathanstowe/rakudo,ungrim97/rakudo,paultcochrane/rakudo,awwaiid/rakudo,ungrim97/rakudo,lucasbuchala/rakudo,b2gills/rakudo,usev6/rakudo,paultcochrane/rakudo,dankogai/rakudo,labster/rakudo,awwaiid/rakudo,rakudo/rakudo,rakudo/rakudo,b2gills/rakudo,ugexe/rakudo,sjn/rakudo,dankogai/rakudo,tony-o/rakudo,nbrown/rakudo,zostay/rakudo,LLFourn/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,paultcochrane/rakudo,awwaiid/rakudo,softmoth/rakudo,softmoth/rakudo,rakudo/rakudo,zostay/rakudo,salortiz/rakudo,Gnouc/rakudo,sjn/rakudo,ungrim97/rakudo,ab5tract/rakudo,rakudo/rakudo,tbrowder/rakudo,raydiak/rakudo,LLFourn/rakudo,tony-o/rakudo,salortiz/rakudo,raydiak/rakudo,ugexe/rakudo,ugexe/rakudo,LLFourn/rakudo,ugexe/rakudo,tbrowder/rakudo,nbrown/rakudo,rakudo/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,rakudo/rakudo,lucasbuchala/rakudo,b2gills/rakudo,nbrown/rakudo,ab5tract/rakudo,Gnouc/rakudo,salortiz/rakudo,tony-o/rakudo,Gnouc/rakudo,LLFourn/rakudo,Gnouc/rakudo,lucasbuchala/rakudo,paultcochrane/rakudo,b2gills/rakudo,sjn/rakudo,nbrown/rakudo,ugexe/rakudo,usev6/rakudo,raydiak/rakudo,samcv/rakudo,tbrowder/rakudo,azawawi/rakudo,softmoth/rakudo,jonathanstowe/rakudo,tony-o/rakudo