New script for testrunner programs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6956 91177308-0d34-0410-b5e6-96231b3b80d8

test/Scripts/not

@@ -0,0 +1,12 @@
+#!/bin/sh
+#
+# Program: not
+#
+# Synopsis: Inverse the output of the program specified on the command line
+#
+# Syntax:   not command <arguments>
+
+if "$@"
+then exit 1
+else exit 0
+fi