From b5845df38421ec9354adee156d9942cebd86e07d Mon Sep 17 00:00:00 2001
From: Jilles Tjoelker <jilles@FreeBSD.org>
Date: Sat, 25 Jun 2011 20:37:43 +0000
Subject: [PATCH] sh: Test that '!' is literal if quoted and first char of
 bracket expression

This also works on stable/8.
---
 tools/regression/bin/sh/builtins/case10.0 | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 tools/regression/bin/sh/builtins/case10.0

diff --git a/tools/regression/bin/sh/builtins/case10.0 b/tools/regression/bin/sh/builtins/case10.0
new file mode 100644
index 000000000000..a627b5cd996f
--- /dev/null
+++ b/tools/regression/bin/sh/builtins/case10.0
@@ -0,0 +1,16 @@
+# $FreeBSD$
+
+case ! in
+[\!!]) ;;
+*) echo Failed at $LINENO ;;
+esac
+
+case ! in
+['!'!]) ;;
+*) echo Failed at $LINENO ;;
+esac
+
+case ! in
+["!"!]) ;;
+*) echo Failed at $LINENO ;;
+esac