From 53fe23265daafd47e759e73e8f97361c7fdd331b Mon Sep 17 00:00:00 2001
From: Pierre-Marie Pédrot
Date: Fri, 11 Nov 2016 18:20:29 +0100
Subject: Refine API using EConstr.

---
 engine/evarutil.ml | 1 +
 1 file changed, 1 insertion(+)

(limited to 'engine/evarutil.ml')

diff --git a/engine/evarutil.ml b/engine/evarutil.ml
index bc55ac4580..7ccf9d8106 100644
--- a/engine/evarutil.ml
+++ b/engine/evarutil.ml
@@ -719,6 +719,7 @@ let undefined_evars_of_evar_info evd evi =
    [evar_map]. If unification only need to check superficially, tactics
    do not have this luxury, and need the more complete version. *)
 let occur_evar_upto sigma n c =
+  let c = EConstr.Unsafe.to_constr c in
   let rec occur_rec c = match kind_of_term c with
     | Evar (sp,_) when Evar.equal sp n -> raise Occur
     | Evar e -> Option.iter occur_rec (existential_opt_value sigma e)
-- 
cgit v1.2.3