bug #1951: polymorphic indtypes: universe subst was not performed in the type of the arguments; refiner: relaxed universe cstrs for poly indtypes

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11433 85f007b7-540e-0410-9357-904b9bb8a0f7

1 files changed, 3 insertions, 2 deletions

diff --git a/kernel/inductive.ml b/kernel/inductive.ml
index 918a32c95..10e6569ca 100644
--- a/kernel/inductive.ml
+++ b/kernel/inductive.ml
@@ -147,7 +147,7 @@ let rec make_subst env = function
       let args = match args with _::args -> args | [] -> [] in
       let ctx,subst = make_subst env (sign, exp, args) in
       d::ctx, subst
-  | d::sign, Some u::exp, a::args ->
+  | (na,None,t as d)::sign, Some u::exp, a::args ->
       (* We recover the level of the argument, but we don't change the *)
       (* level in the corresponding type in the arity; this level in the *)
       (* arity is a global level which, at typing time, will be enforce *)
@@ -155,7 +155,8 @@ let rec make_subst env = function
       (* a useless extra constraint *)
       let s = sort_as_univ (snd (dest_arity env a)) in
       let ctx,subst = make_subst env (sign, exp, args) in
-      d::ctx, cons_subst u s subst
+      let t = actualize_decl_level env (Type s) t in
+      (na,None,t)::ctx, cons_subst u s subst
   | (na,None,t as d)::sign, Some u::exp, [] ->
       (* No more argument here: we instantiate the type with a fresh level *)
       (* which is first propagated to the corresponding premise in the arity *)