Auto merge of #22541 - Manishearth:rollup, r=Gankro 1.0.0-alpha.2

Continued from #22520

1 files changed, 30 insertions, 0 deletions

diff --git a/src/test/compile-fail/regions-close-object-into-object-5.rs b/src/test/compile-fail/regions-close-object-into-object-5.rs
new file mode 100644
index 00000000000..bdc52eca2cb
--- /dev/null
+++ b/src/test/compile-fail/regions-close-object-into-object-5.rs
@@ -0,0 +1,30 @@
+// Copyright 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.
+
+#![feature(box_syntax)]
+#![allow(warnings)]
+
+trait A<T>
+{
+    fn get(&self) -> T { panic!() }
+}
+
+struct B<'a, T>(&'a (A<T>+'a));
+
+trait X { fn foo(&self) {} }
+
+impl<'a, T> X for B<'a, T> {}
+
+fn f<'a, T, U>(v: Box<A<T>+'static>) -> Box<X+'static> {
+    box B(&*v) as Box<X> //~ ERROR the parameter type `T` may not live long enough
+}
+
+fn main() {}
+