From 39c4f9030f3aefdb7581aa02dd4b0c0d1ef89ee5 Mon Sep 17 00:00:00 2001
From: Emilio Jesus Gallego Arias
Date: Thu, 26 Mar 2020 19:53:51 -0400
Subject: [sideeff] Don't use polymorphic equality to check for empty
 side-effects

---
 tactics/proof_global.ml | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'tactics')

diff --git a/tactics/proof_global.ml b/tactics/proof_global.ml
index d1c2467cce..98de0c848b 100644
--- a/tactics/proof_global.ml
+++ b/tactics/proof_global.ml
@@ -175,9 +175,11 @@ let close_proof ~opaque ~keep_body_ucst_separate ps =
   let opaque = match opaque with Opaque -> true | Transparent -> false in
 
   let make_entry ((body, eff), typ) =
+
     let allow_deferred =
-      not poly && (keep_body_ucst_separate ||
-                   not (Safe_typing.empty_private_constants = eff.Evd.seff_private))
+      not poly &&
+      (keep_body_ucst_separate
+       || not (Safe_typing.is_empty_private_constants eff.Evd.seff_private))
     in
     let used_univs_body = Vars.universes_of_constr body in
     let used_univs_typ = Vars.universes_of_constr typ in
-- 
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