From 60ed425ffc8bc30c11a3a8e542a9bfb0a0a06471 Mon Sep 17 00:00:00 2001
From: Gaëtan Gilbert
Date: Mon, 23 Nov 2020 16:08:37 +0100
Subject: Fix comparison of extracted array literals

Fixes #13453 which was a loop in
~~~ocaml
let normalize a =
  let o = optims () in
  let rec norm a =
    let a' = if o.opt_kill_dum then kill_dummy (simpl o a) else simpl o a in
    if eq_ml_ast a a' then a else norm a'
  in norm a
~~~
the `eq_ml_ast` was always returning `false`.
---
 test-suite/bugs/closed/bug_13453.v | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100644 test-suite/bugs/closed/bug_13453.v

(limited to 'test-suite')

diff --git a/test-suite/bugs/closed/bug_13453.v b/test-suite/bugs/closed/bug_13453.v
new file mode 100644
index 0000000000..4d0e435df7
--- /dev/null
+++ b/test-suite/bugs/closed/bug_13453.v
@@ -0,0 +1,6 @@
+Require Extraction.
+
+Primitive array := #array_type.
+
+Definition a : array nat := [| 0%nat | 0%nat |].
+Extraction a.
-- 
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