---

yaml
---
r: 159345
b: refs/heads/master
c: 0135858
h: refs/heads/master
i:
  159343: 35126e4
v: v3

Author: bkoropoff

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 6de477cef8176481cb39130070dc96e122032713
+refs/heads/master: 01358587a5a3fd7a324f54349d210913229daac5
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 9c96a79a74f10bed18b031ce0ac4126c56d6cfb3
 refs/heads/try: f58aad6dce273570fb130b4df008ef9acd5a5be2

trunk/src/test/run-pass/issue-18883.rs

@@ -0,0 +1,19 @@
+// 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.
+
+// Test that we don't ICE due to encountering unsubstituted type
+// parameters when untupling FnOnce parameters during translation of
+// an unboxing shim.
+
+#![feature(unboxed_closures)]
+
+fn main() {
+    let _: Box<FnOnce<(),()>> = box move |&mut:| {};
+}