Merge r4241: Regression test case for 558

git-svn-id: http://www.varnish-cache.org/svn/branches/2.0@4319 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishtest/tests/r00558.vtc

+# $Id$
+
+test "error from vcl_recv{} has no numeric code"
+
+
+server s1 {
+}
+
+varnish v1 -vcl+backend {
+	sub vcl_recv {
+		return (error);
+	}
+} -start
+
+client c1 {
+	txreq
+	rxresp
+	expect resp.status == 501
+} -run