.STORE(item) on non1-dimmed array will always fail
.STORE(item) on non1-dimmed array will always fail

Since 1dimmed arrays already have their own .STORE(item), we can
immediately throw here.

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