From e7b83e2a07fffaba0b19c62ef1a02c40d6ef603a Mon Sep 17 00:00:00 2001
From: Kazuhiko Sakaguchi
Date: Fri, 20 Sep 2019 18:58:51 +0200
Subject: Make `zify` does work for `Z.to_N`

---
 test-suite/micromega/bug_9162.v | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 test-suite/micromega/bug_9162.v

(limited to 'test-suite')

diff --git a/test-suite/micromega/bug_9162.v b/test-suite/micromega/bug_9162.v
new file mode 100644
index 0000000000..4aedf57faf
--- /dev/null
+++ b/test-suite/micromega/bug_9162.v
@@ -0,0 +1,8 @@
+Require Import ZArith Lia.
+Local Open Scope Z_scope.
+
+Goal Z.of_N (Z.to_N 0) = 0.
+Proof. lia. Qed.
+
+Goal forall q, (Z.of_N (Z.to_N 0) = 0 -> q = 0) -> Z.of_N (Z.to_N 0) = q.
+Proof. lia. Qed.
-- 
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