1 files changed, 45 insertions, 0 deletions
diff --git a/src/test/ui/compile-fail-migration/object-lifetime-default-mybox.rs b/src/test/ui/compile-fail-migration/object-lifetime-default-mybox.rs
new file mode 100644
index 00000000000..54657e76e97
--- /dev/null
+++ b/src/test/ui/compile-fail-migration/object-lifetime-default-mybox.rs
@@ -0,0 +1,45 @@
+// 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.
+
+// Test a "pass-through" object-lifetime-default that produces errors.
+
+#![allow(dead_code)]
+
+trait SomeTrait {
+    fn dummy(&self) { }
+}
+
+struct MyBox<T:?Sized> {
+    r: Box<T>
+}
+
+fn deref<T>(ss: &T) -> T {
+    // produces the type of a deref without worrying about whether a
+    // move out would actually be legal
+    loop { }
+}
+
+fn load0(ss: &MyBox<SomeTrait>) -> MyBox<SomeTrait> {
+    deref(ss)
+}
+
+fn load1<'a,'b>(a: &'a MyBox<SomeTrait>,
+                b: &'b MyBox<SomeTrait>)
+                -> &'b MyBox<SomeTrait>
+{
+    a //~ ERROR lifetime mismatch
+}
+
+fn load2<'a>(ss: &MyBox<SomeTrait+'a>) -> MyBox<SomeTrait+'a> {
+    load0(ss) //~ ERROR mismatched types
+}
+
+fn main() {
+}