From d19ee0dcc0b94cc782f48a70af685a87c018ce85 Mon Sep 17 00:00:00 2001
From: Jeffrey Seyfried <jeffrey.seyfried@gmail.com>
Date: Mon, 20 Jun 2016 10:57:34 +0000
Subject: [PATCH] Add regression test

---
 src/test/run-pass/hygiene.rs | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 src/test/run-pass/hygiene.rs

diff --git a/src/test/run-pass/hygiene.rs b/src/test/run-pass/hygiene.rs
new file mode 100644
index 000000000000..d39fd0cbf383
--- /dev/null
+++ b/src/test/run-pass/hygiene.rs
@@ -0,0 +1,21 @@
+// Copyright 2016 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.
+
+#![allow(unused)]
+
+fn main() {
+    let x = 0;
+    macro_rules! foo { () => {
+        assert_eq!(x, 0);
+    } }
+
+    let x = 1;
+    foo!();
+}