From ddc8fcf66fd04dd3685a7788d62c2a00ce2a27ee Mon Sep 17 00:00:00 2001
From: Kunht Kun <kunhtkun@gmail.com>
Date: Sat, 12 Mar 2022 00:04:10 -0500
Subject: Avoid dereferencing null pointer

Here `comm` could be a null pointer (the new test regress/2057 shows
such a case). So test it before dereferencing to avoid segfault.

Re: #2057
---
 test/regress/2057.test | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 test/regress/2057.test

(limited to 'test')

diff --git a/test/regress/2057.test b/test/regress/2057.test
new file mode 100644
index 00000000..f691b350
--- /dev/null
+++ b/test/regress/2057.test
@@ -0,0 +1,12 @@
+C 1 "" = 1 $
+
+2021-01-01 Test
+    A               $10
+    B
+
+test bal
+                  10  A
+                 -10  B
+--------------------
+                   0
+end test
-- 
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