From 6d2b152f70e17f86c892f02335f68068523dd320 Mon Sep 17 00:00:00 2001
From: Jilles Tjoelker <jilles@FreeBSD.org>
Date: Sun, 11 Mar 2012 22:12:05 +0000
Subject: [PATCH] sh: Add a test for variables with underscores in arithmetic.

Things like $((_x+1)) are broken in stable/8 sh but work in stable/9 and
head.
---
 tools/regression/bin/sh/expansion/arith12.0 | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 tools/regression/bin/sh/expansion/arith12.0

diff --git a/tools/regression/bin/sh/expansion/arith12.0 b/tools/regression/bin/sh/expansion/arith12.0
new file mode 100644
index 000000000000..cb7da3b2e21a
--- /dev/null
+++ b/tools/regression/bin/sh/expansion/arith12.0
@@ -0,0 +1,4 @@
+# $FreeBSD$
+
+_x=4 y_=5 z_z=6
+[ "$((_x*100+y_*10+z_z))" = 456 ]