added compile-fail test for 15167

Author: jbclements

src/test/compile-fail/issue-15167.rs

@@ -0,0 +1,21 @@
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// macro f should not be able to inject a reference to 'n'.
+
+#![feature(macro_rules)]
+
+macro_rules! f(() => (n))
+
+fn main() -> (){
+    for n in range(0, 1) {
+        println!("{}", f!()); //~ ERROR unresolved name `n`
+    }
+}