1 files changed, 41 insertions, 0 deletions

diff --git a/src/test/ui/run-pass/issues/issue-25549-multiple-drop.rs b/src/test/ui/run-pass/issues/issue-25549-multiple-drop.rs
new file mode 100644
index 00000000000..5280891677e
--- /dev/null
+++ b/src/test/ui/run-pass/issues/issue-25549-multiple-drop.rs
@@ -0,0 +1,41 @@
+// Copyright 2015 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.
+
+struct Foo<'r>(&'r mut i32);
+
+impl<'r> Drop for Foo<'r> {
+    fn drop(&mut self) {
+        *self.0 += 1;
+    }
+}
+
+trait Trait {}
+impl<'r> Trait for Foo<'r> {}
+
+struct Holder<T: ?Sized>(T);
+
+fn main() {
+    let mut drops = 0;
+
+    {
+        let y = &Holder([Foo(&mut drops)]) as &Holder<[Foo]>;
+        // this used to cause an extra drop of the Foo instance
+        let x = &y.0;
+    }
+    assert_eq!(1, drops);
+
+    drops = 0;
+    {
+        let y = &Holder(Foo(&mut drops)) as &Holder<Trait>;
+        // this used to cause an extra drop of the Foo instance
+        let x = &y.0;
+    }
+    assert_eq!(1, drops);
+}