From 373504a7ac6801293ae65316625ace667842f5b8 Mon Sep 17 00:00:00 2001
From: Tim Chevalier <chevalier@alum.wellesley.edu>
Date: Wed, 20 Mar 2013 13:37:57 -0700
Subject: [PATCH] testsuite: Add test for #4210

---
 src/test/run-pass/issue-4120.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 src/test/run-pass/issue-4120.rs

diff --git a/src/test/run-pass/issue-4120.rs b/src/test/run-pass/issue-4120.rs
new file mode 100644
index 00000000000..16946f32e31
--- /dev/null
+++ b/src/test/run-pass/issue-4120.rs
@@ -0,0 +1,17 @@
+// Copyright 2013 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.
+
+fn main()
+{
+    unsafe {
+        libc::exit(0);
+    }
+    error!("ack");
+}