From 8334915a6ceff53bb89f76f8b7058076b2ac04a1 Mon Sep 17 00:00:00 2001
From: Nick Cameron <ncameron@mozilla.com>
Date: Mon, 17 Feb 2014 11:53:12 +1300
Subject: [PATCH] Test ordering of glue_drop and glue_takew in
 self-re-assignment. Closes #3290.

---
 src/test/run-pass/self-re-assign.rs | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 src/test/run-pass/self-re-assign.rs

diff --git a/src/test/run-pass/self-re-assign.rs b/src/test/run-pass/self-re-assign.rs
new file mode 100644
index 0000000000000..041c5cf4a640e
--- /dev/null
+++ b/src/test/run-pass/self-re-assign.rs
@@ -0,0 +1,24 @@
+// Copyright 2012-2014 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.
+
+// Ensure assigning an owned or managed variable to itself works. In particular,
+// that we do not glue_drop before we glue_take (#3290).
+
+use std::rc::Rc;
+
+pub fn main() {
+   let mut x = ~3;
+   x = x;
+   assert!(*x == 3);
+
+   let mut x = Rc::new(3);
+   x = x;
+   assert!(*x.borrow() == 3);
+}