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-rw-r--r--bin/1sh/tests/expansion/set-u3.06
1 files changed, 6 insertions, 0 deletions
diff --git a/bin/1sh/tests/expansion/set-u3.0 b/bin/1sh/tests/expansion/set-u3.0
new file mode 100644
index 00000000..c68a4240
--- /dev/null
+++ b/bin/1sh/tests/expansion/set-u3.0
@@ -0,0 +1,6 @@
+# $FreeBSD: releng/12.1/bin/sh/tests/expansion/set-u3.0 221463 2011-05-04 22:12:22Z jilles $
+
+set -u
+unset x
+v=$( (eval ': $((x))') 2>&1 >/dev/null)
+[ $? -ne 0 ] && [ -n "$v" ]