(* TEST
 flags = " -w -a ";
 setup-ocamlc.byte-build-env;
 ocamlc.byte;
 check-ocamlc.byte-output;
*)

(* OK *)
module rec A : sig type 'a t = 'a array B.t * 'a list B.t end
             = struct type 'a t = 'a array B.t * 'a list B.t end
       and B : sig type 'a t = <m: 'a B.t> end
             = struct type 'a t = <m: 'a B.t> end;;