let o,univ = build_obj t univ arityres in
(o,saturationsres,arityres),univ
| _ -> assert false
- ) (first_step, CicUniv.empty_ugraph) tl
+ ) (first_step, CicUniv.oblivion_ugraph) tl
in
let name_src = CoercDb.name_of_carr src in
let name_tgt = CoercDb.name_of_carr tgt in