From 3feffd48bd393f26639b6da127d8c43f4ce51d89 Mon Sep 17 00:00:00 2001
From: "Felix S. Klock II" <pnkfelix@pnkfx.org>
Date: Wed, 19 Sep 2018 14:33:11 +0200
Subject: [PATCH] Regression test for rust-lang/rust#22323.

---
 .../ui/nll/issue-22323-temp-destruction.rs    | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 src/test/ui/nll/issue-22323-temp-destruction.rs

diff --git a/src/test/ui/nll/issue-22323-temp-destruction.rs b/src/test/ui/nll/issue-22323-temp-destruction.rs
new file mode 100644
index 0000000000000..2c547fb7c7da7
--- /dev/null
+++ b/src/test/ui/nll/issue-22323-temp-destruction.rs
@@ -0,0 +1,32 @@
+// rust-lang/rust#22323: regression test demonstrating that NLL
+// precisely tracks temporary destruction order.
+
+// compile-pass
+
+#![feature(nll)]
+
+fn main() {
+    let _s = construct().borrow().consume_borrowed();
+}
+
+fn construct() -> Value { Value }
+
+pub struct Value;
+
+impl Value {
+    fn borrow<'a>(&'a self) -> Borrowed<'a> { unimplemented!() }
+}
+
+pub struct Borrowed<'a> {
+    _inner: Guard<'a, Value>,
+}
+
+impl<'a> Borrowed<'a> {
+    fn consume_borrowed(self) -> String { unimplemented!() }
+}
+
+pub struct Guard<'a, T: ?Sized + 'a> {
+    _lock: &'a T,
+}
+
+impl<'a, T: ?Sized> Drop for Guard<'a, T> { fn drop(&mut self) {} }