From cac4830ce407b542866f1e6f042fd0b9ca3c558f Mon Sep 17 00:00:00 2001
From: Jilles Tjoelker <jilles@FreeBSD.org>
Date: Sun, 18 Jul 2010 12:45:31 +0000
Subject: [PATCH] sh: Allow a background command consisting solely of
 redirections.

Example:
  </dev/null &

MFC after:	2 weeks
---
 bin/sh/parser.c                              | 1 +
 tools/regression/bin/sh/parser/only-redir1.0 | 3 +++
 2 files changed, 4 insertions(+)
 create mode 100644 tools/regression/bin/sh/parser/only-redir1.0

diff --git a/bin/sh/parser.c b/bin/sh/parser.c
index e55332eda349..9c89d9fc552e 100644
--- a/bin/sh/parser.c
+++ b/bin/sh/parser.c
@@ -554,6 +554,7 @@ TRACE(("expecting DO got %s %s\n", tokname[got], got == TWORD ? wordtext : ""));
 		checkkwd = 1;
 		break;
 	/* Handle an empty command like other simple commands.  */
+	case TBACKGND:
 	case TSEMI:
 	case TAND:
 	case TOR:
diff --git a/tools/regression/bin/sh/parser/only-redir1.0 b/tools/regression/bin/sh/parser/only-redir1.0
new file mode 100644
index 000000000000..46076c882a5e
--- /dev/null
+++ b/tools/regression/bin/sh/parser/only-redir1.0
@@ -0,0 +1,3 @@
+# $FreeBSD$
+</dev/null &
+wait $!