Auto merge of #31527 - danlrobertson:i15735, r=alexcrichton

After some digging I couldn't find a test for #15735, so I added a simplified version to `run-pass` and tested it against 80a3f45 to ensure it fails.

src/test/run-pass/issue-15735.rs

@@ -0,0 +1,25 @@
+// 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 A<'a> {
+    a: &'a i32,
+    b: &'a i32,
+}
+
+impl <'a> A<'a> {
+    fn foo<'b>(&'b self) {
+        A {
+            a: self.a,
+            b: self.b,
+        };
+    }
+}
+
+fn main() { }