From 1a6fd93e49c01f8291cc594445ef63b407375b1f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Edvard=20Th=C3=B6rnros?= <edvard.thornros@gmail.com>
Date: Mon, 15 Feb 2021 23:54:19 +0100
Subject: add test for upvalues

---
 src/lib.rs | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 146e534..b1bae9f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1248,5 +1248,20 @@ q :: fn -> int {
     ret k()
 }
 ",
+
+        constant_function_closure: "
+q := 1
+
+f :: fn -> int {
+    q += 1
+    ret q
+}
+
+f() <=> 2
+f() <=> 3
+f() <=> 4
+f() <=> 5
+",
+
     );
 }
-- 
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