Fixed the pseudo-cicularity problem due to the with operator on Module Type.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@9662 85f007b7-540e-0410-9357-904b9bb8a0f7

1 files changed, 0 insertions, 8 deletions

diff --git a/kernel/modops.ml b/kernel/modops.ml
index bd1151544e..e9e1d67eb4 100644
--- a/kernel/modops.ml
+++ b/kernel/modops.ml
@@ -20,7 +20,6 @@ open Entries
 open Mod_subst
 (*i*)
 
-exception Circularity of string
 
 let error_existing_label l = 
   error ("The label "^string_of_label l^" is already declared")
@@ -82,11 +81,6 @@ let error_local_context lo =
 	error ("The local context of the component "^
 	       (string_of_label l)^" is not empty")
 
-let error_circular_with_module l =
-  error ("The construction \"with Module "^(string_of_id l)^":=...\" is about to create\na circular module type. Their resolution is not implemented yet.\nIf you really need that feature, please report.")
-
-let error_circularity_in_subtyping l l1 l2 =
-  error ("An occurrence of "^l^" creates a circularity\n during the subtyping verification between "^l1^" and "^l2^".")
 
 let error_no_such_label_sub l l1 l2 =
   error (l1^" is not a subtype of "^l2^".\nThe field "^(string_of_label l)^" is missing (or invisible) in "^l1^".")
@@ -142,12 +136,10 @@ let rec subst_modtype sub = function
        M to M' I must substitute M' for X in "Module N := X". *)
   | MTBident ln -> MTBident (subst_kn sub ln)
   | MTBfunsig (arg_id, arg_b, body_b) ->
-      if occur_mbid arg_id sub then raise (Circularity (string_of_mbid arg_id));
       MTBfunsig (arg_id, 
 		 subst_modtype  sub arg_b, 
 		 subst_modtype  sub body_b)
   | MTBsig (sid1, msb) -> 
-      if occur_msid sid1 sub then raise (Circularity (string_of_msid sid1));
       MTBsig (sid1, subst_signature sub msb)
 
 and subst_signature sub sign =