X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_kernel%2FnCicTypeChecker.ml;h=cd49f2cea93332c7de1eb428292240225d4df6b2;hb=a90c31c1b53222bd6d57360c5ba5c2d0fe7d5207;hp=ccbebc27164a16afb088bfa131a252dca37fe472;hpb=4377e950998c9c63937582952a79975947aa9a45;p=helm.git

diff --git a/helm/software/components/ng_kernel/nCicTypeChecker.ml b/helm/software/components/ng_kernel/nCicTypeChecker.ml
index ccbebc271..cd49f2cea 100644
--- a/helm/software/components/ng_kernel/nCicTypeChecker.ml
+++ b/helm/software/components/ng_kernel/nCicTypeChecker.ml
@@ -659,7 +659,7 @@ and check_allowed_sort_elimination ~subst ~metasenv r =
            (PP.ppterm ~subst ~metasenv ~context so)
            )));
          (match arity1, R.whd ~subst ((name,C.Decl so)::context) ta with
-           | C.Sort s1, (C.Sort s2 as arity2) ->
+           | C.Sort s1, C.Sort s2 ->
                (match NCicEnvironment.allowed_sort_elimination s1 s2 with
                | `Yes -> ()
                | `UnitOnly ->
@@ -680,11 +680,7 @@ and check_allowed_sort_elimination ~subst ~metasenv r =
                      is_non_informative ~metasenv ~subst leftno constrty))
                 then
                  raise (TypeCheckerFailure (lazy
-                  ("Sort elimination not allowed: " ^ 
-                   NCicPp.ppterm ~metasenv ~subst ~context arity1 
-                   ^ " towards "^
-                   NCicPp.ppterm ~metasenv ~subst ~context arity2
-                 ))))
+                  ("Sort elimination not allowed"))))
            | _ -> ())
       | _,_ -> ()
   in
@@ -1308,9 +1304,7 @@ let typecheck_obj (uri,height,metasenv,subst,kind) =
             | C.Appl (C.Const (Ref.Ref (uri,Ref.Ind _) as ref) :: _) ->
                 let _,_,itl,_,_ = E.get_checked_indtys ref in
                   uri, List.length itl
-            | _ ->
-              raise (TypeCheckerFailure
-               (lazy "Fix: the recursive argument is not inductive"))
+            | _ -> assert false
           in
           (* guarded by destructors conditions D{f,k,x,M} *)
           let rec enum_from k =