From 6dff9d03d9fd8d7eed6dc8fedd4c0bc85a3d7478 Mon Sep 17 00:00:00 2001
From: Tobias Bucher <tobiasbucher5991@gmail.com>
Date: Tue, 1 Dec 2015 23:33:50 +0000
Subject: [PATCH] Don't use an explicit temporary for cloning an array

---
 src/libcore/array.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/libcore/array.rs b/src/libcore/array.rs
index 06ff6b9d799f3..97ad99fe0ffa3 100644
--- a/src/libcore/array.rs
+++ b/src/libcore/array.rs
@@ -209,8 +209,7 @@ macro_rules! array_impl_clone {
         #[stable(feature = "rust1", since = "1.0.0")]
         impl<T: Clone> Clone for [T; $n] {
             fn clone(&self) -> [T; $n] {
-                let temp = [&self[$i], $(&self[$idx]),*];
-                [temp[$i].clone(), $(temp[$idx].clone()),*]
+                [self[$i-$i].clone(), $(self[$i-$idx].clone()),*]
             }
         }
         array_impl_clone!{$i, $($idx,)*}