From cd29948855c2cbd3f4065170e41f8dbe625e1921 Mon Sep 17 00:00:00 2001
From: Gaëtan Gilbert <gaetan.gilbert@skyskimmer.net>
Date: Sat, 9 Sep 2017 14:00:42 +0200
Subject: Don't lose names in UState.universe_context.

We dont care about the order of the binder map ([map] in the code) so
no need to do tricky things with it.
---
 vernac/class.ml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'vernac/class.ml')

diff --git a/vernac/class.ml b/vernac/class.ml
index be682977e..3915148a0 100644
--- a/vernac/class.ml
+++ b/vernac/class.ml
@@ -222,9 +222,10 @@ let build_id_coercion idf_opt source poly =
 	  Id.of_string ("Id_"^(ident_key_of_class source)^"_"^
                         (ident_key_of_class cl))
   in
+  let univs = (snd (Evd.universe_context ~names:[] ~extensible:true sigma)) in
   let constr_entry = (* Cast is necessary to express [val_f] is identity *)
     DefinitionEntry
-      (definition_entry ~types:typ_f ~poly ~univs:(snd (Evd.universe_context sigma))
+      (definition_entry ~types:typ_f ~poly ~univs
 	 ~inline:true (mkCast (val_f, DEFAULTcast, typ_f)))
   in
   let decl = (constr_entry, IsDefinition IdentityCoercion) in
-- 
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