diff options
| -rw-r--r-- | kernel/mod_typing.ml | 8 | ||||
| -rw-r--r-- | library/declaremods.ml | 19 |
2 files changed, 22 insertions, 5 deletions
diff --git a/kernel/mod_typing.ml b/kernel/mod_typing.ml index b1daea2287..09edc63f63 100644 --- a/kernel/mod_typing.ml +++ b/kernel/mod_typing.ml @@ -266,7 +266,13 @@ and translate_struct_entry env mse = match mse with let sub2 = match eval_struct env (SEBident mp) with | SEBstruct (msid,sign) -> subst_key (map_msid msid mp) sub2 | _ -> sub2 in - let sub3 = update_subst_alias sub2 (join_alias sub1 (map_mbid farg_id mp None)) in + let sub3= + if sub1 = empty_subst then + update_subst_alias sub2 (map_mbid farg_id mp None) + else + update_subst_alias sub2 + (join_alias sub1 (map_mbid farg_id mp None)) + in let sub = if sub2 = sub3 then join sub1 sub2 else join (join sub1 sub2) sub3 in let sub = join_alias sub (map_mbid farg_id mp None) in diff --git a/library/declaremods.ml b/library/declaremods.ml index 93e322e2c4..5f7daa9b51 100644 --- a/library/declaremods.ml +++ b/library/declaremods.ml @@ -564,8 +564,13 @@ let rec get_modtype_substobjs env = function (subst_key (map_msid msid mp) sub_alias) (map_msid msid mp) | _ -> sub_alias in - let sub3 = update_subst_alias sub_alias - (join_alias sub1 (map_mbid farg_id mp None)) in + let sub3= + if sub1 = empty_subst then + update_subst_alias sub_alias (map_mbid farg_id mp None) + else + update_subst_alias sub_alias + (join_alias sub1 (map_mbid farg_id mp None)) + in let sub = if sub_alias = sub3 then join sub1 sub_alias else join (join sub1 sub_alias) sub3 in let sub = join_alias sub (map_mbid farg_id mp None) in @@ -876,8 +881,14 @@ let rec get_module_substobjs env = function (subst_key (map_msid msid mp) sub_alias) (map_msid msid mp) | _ -> sub_alias in - let sub3 = update_subst_alias sub_alias - (join_alias sub1 (map_mbid farg_id mp None)) in + + let sub3= + if sub1 = empty_subst then + update_subst_alias sub_alias (map_mbid farg_id mp None) + else + update_subst_alias sub_alias + (join_alias sub1 (map_mbid farg_id mp None)) + in let sub = if sub_alias = sub3 then join sub1 sub_alias else join (join sub1 sub_alias) sub3 in let sub = join_alias sub (map_mbid farg_id mp None) in |