From a8ee1bef887fbf14ffe1380152993b0db4298c98 Mon Sep 17 00:00:00 2001
From: Matthieu Sozeau
Date: Fri, 9 May 2014 03:04:35 +0200
Subject: Reuse universe level substitutions for template polymorphism, fixing
 performance problem with hashconsing at the same time. This fixes bug# 3302.

---
 kernel/declareops.ml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'kernel/declareops.ml')

diff --git a/kernel/declareops.ml b/kernel/declareops.ml
index 55868097fe..dd906bab24 100644
--- a/kernel/declareops.ml
+++ b/kernel/declareops.ml
@@ -31,8 +31,8 @@ let map_decl_arity f g = function
   | TemplateArity a -> TemplateArity (g a)
 
 let hcons_template_arity ar =
-  { template_param_levels =
-      List.smartmap (Option.smartmap Univ.hcons_univ) ar.template_param_levels;
+  { template_param_levels = ar.template_param_levels;
+      (* List.smartmap (Option.smartmap Univ.hcons_univ_level) ar.template_param_levels; *)
     template_level = Univ.hcons_univ ar.template_level }
 
 (** {6 Constants } *)
-- 
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