From ace68d056551a4a2834d1d4908375dba7a1fbc44 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maxime=20D=C3=A9n=C3=A8s?= <maxime.denes@inria.fr>
Date: Mon, 29 Apr 2019 17:35:06 +0200
Subject: [PATCH] Fix variant of #9344 for native_compute

---
 pretyping/nativenorm.ml           | 2 +-
 test-suite/bugs/closed/bug_9344.v | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/pretyping/nativenorm.ml b/pretyping/nativenorm.ml
index e6945022314a..0fcd6a9e9de2 100644
--- a/pretyping/nativenorm.ml
+++ b/pretyping/nativenorm.ml
@@ -415,7 +415,7 @@ and  nf_predicate env sigma ind mip params v pT =
 and nf_evar env sigma evk args =
   let evi = try Evd.find sigma evk with Not_found -> assert false in
   let hyps = Environ.named_context_of_val (Evd.evar_filtered_hyps evi) in
-  let ty = EConstr.Unsafe.to_constr @@ Evd.evar_concl evi in
+  let ty = EConstr.to_constr ~abort_on_undefined_evars:false sigma @@ Evd.evar_concl evi in
   if List.is_empty hyps then begin
     assert (Int.equal (Array.length args) 0);
     mkEvar (evk, [||]), ty
diff --git a/test-suite/bugs/closed/bug_9344.v b/test-suite/bugs/closed/bug_9344.v
index fbf86b2dad68..0d44c9721aac 100644
--- a/test-suite/bugs/closed/bug_9344.v
+++ b/test-suite/bugs/closed/bug_9344.v
@@ -1 +1,2 @@
 Compute _ I.
+Eval native_compute in _ I.