(setglobal Ex3!
  (let
    (f1/82 =
       (function param/83
         (catch (if (!= param/83 0) (observe 1) (exit 1)) with (1)
           (raise (makeblock 0 (global Match_failure/18!) [0: "ex3.ml" 4 9])))))
    (makeblock 0 f1/82)))