From e277a987585f7e841b2b2c38f9f90fe5defda828 Mon Sep 17 00:00:00 2001
From: Daniel Henry-Mantilla <daniel.henry.mantilla@gmail.com>
Date: Thu, 9 Dec 2021 21:21:37 +0100
Subject: [PATCH] Fix missing `mut` typo

Co-authored-by: Ibraheem Ahmed <ibrah1440@gmail.com>
---
 library/core/src/future/join.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/core/src/future/join.rs b/library/core/src/future/join.rs
index 2d27b8edfd800..a6ffbe07d91b0 100644
--- a/library/core/src/future/join.rs
+++ b/library/core/src/future/join.rs
@@ -106,7 +106,7 @@ macro join_internal {
         match ( $( MaybeDone::Future($fut_expr), )* ) { futures => async {
             let mut futures = futures;
             // SAFETY: this is `pin_mut!`.
-            let futures = unsafe { Pin::new_unchecked(&mut futures) };
+            let mut futures = unsafe { Pin::new_unchecked(&mut futures) };
             poll_fn(move |cx| {
                 let mut done = true;
                 // For each `fut`, pin-project to it, and poll it.