From 6e5e35458c4c6d965eefa43ed03551a8c0f02e71 Mon Sep 17 00:00:00 2001
From: Oliver Schneider <github35764891676564198441@oli-obk.de>
Date: Fri, 8 Jun 2018 01:10:18 +0200
Subject: [PATCH] Add a sanity test for nesting other items inside the
 existential type

---
 src/test/run-pass/impl-trait/nesting.rs | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 src/test/run-pass/impl-trait/nesting.rs

diff --git a/src/test/run-pass/impl-trait/nesting.rs b/src/test/run-pass/impl-trait/nesting.rs
new file mode 100644
index 00000000000..73e6c1c0d1d
--- /dev/null
+++ b/src/test/run-pass/impl-trait/nesting.rs
@@ -0,0 +1,22 @@
+// Copyright 2018 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.
+
+fn foo<T>(t: T) -> impl Into<[T; { const FOO: usize = 1; FOO }]> {
+    [t]
+}
+
+fn bar() -> impl Into<[u8; { const FOO: usize = 1; FOO }]> {
+    [99]
+}
+
+fn main() {
+    println!("{:?}", foo(42).into());
+    println!("{:?}", bar().into());
+}