diff options
Diffstat (limited to 'library/universes.ml')
| -rw-r--r-- | library/universes.ml | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/library/universes.ml b/library/universes.ml index 79070763..9fddc706 100644 --- a/library/universes.ml +++ b/library/universes.ml @@ -165,7 +165,7 @@ let leq_constr_univs_infer univs m n = m == n || Constr.compare_head_gen eq_universes eq_sorts eq_constr' m n in let rec compare_leq m n = - Constr.compare_head_gen_leq eq_universes eq_sorts leq_sorts + Constr.compare_head_gen_leq eq_universes leq_sorts eq_constr' leq_constr' m n and leq_constr' m n = m == n || compare_leq m n in let res = compare_leq m n in @@ -213,7 +213,7 @@ let leq_constr_universes m n = m == n || Constr.compare_head_gen eq_universes eq_sorts eq_constr' m n in let rec compare_leq m n = - Constr.compare_head_gen_leq eq_universes eq_sorts leq_sorts eq_constr' leq_constr' m n + Constr.compare_head_gen_leq eq_universes leq_sorts eq_constr' leq_constr' m n and leq_constr' m n = m == n || compare_leq m n in let res = compare_leq m n in res, !cstrs @@ -772,7 +772,7 @@ let minimize_univ_variables ctx us algs left right cstrs = else try let lev = Option.get (Universe.level inst) in Constraint.add (lev, d, r) cstrs - with Option.IsNone -> assert false) + with Option.IsNone -> failwith "") cstrs dangling in (ctx', us, algs, insts, cstrs'), b @@ -784,7 +784,8 @@ let minimize_univ_variables ctx us algs left right cstrs = | None -> (* Nothing to do *) acc' (acc, (true, false, Universe.make u)) | Some lbound -> - acc' (instantiate_lbound lbound) + try acc' (instantiate_lbound lbound) + with Failure _ -> acc' (acc, (true, false, Universe.make u)) and aux (ctx', us, algs, seen, cstrs as acc) u = try acc, LMap.find u seen with Not_found -> instance acc u |