From 9c569fb7ec0f2cd11eb98a332accc208d71bdabf Mon Sep 17 00:00:00 2001
From: Guillume DIDIER <guillaume.didier@inria.fr>
Date: Thu, 10 Jun 2021 11:23:13 +0200
Subject: [PATCH] Rust nightly update - turn_lock

---
 turn_lock/src/lib.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/turn_lock/src/lib.rs b/turn_lock/src/lib.rs
index 3e1ac53..be13336 100644
--- a/turn_lock/src/lib.rs
+++ b/turn_lock/src/lib.rs
@@ -1,7 +1,8 @@
 use std::cell::UnsafeCell;
+use std::hint::spin_loop;
 use std::marker::PhantomData;
 use std::ops::{Deref, DerefMut};
-use std::sync::atomic::{spin_loop_hint, AtomicUsize, Ordering};
+use std::sync::atomic::{AtomicUsize, Ordering};
 use std::sync::Arc;
 
 // FIXME There may be significant unsafety if wait is called twice ?
@@ -33,7 +34,7 @@ impl RawTurnLock {
     pub unsafe fn wait(&self, turn: usize) {
         let mut current = self.turn.load(Ordering::Acquire);
         while current < self.num_turns && current != turn {
-            spin_loop_hint();
+            spin_loop();
             current = self.turn.load(Ordering::Acquire);
         }
         if current >= self.num_turns {