From d11667f5ccf148270362fb9a5cf39ed06eff7374 Mon Sep 17 00:00:00 2001
From: Nilstrieb <48135649+Nilstrieb@users.noreply.github.com>
Date: Fri, 13 May 2022 20:59:21 +0200
Subject: [PATCH] Change orderings of `Debug` for the Atomic types to
 `Relaxed`.

This reduces synchronization between threads when
debugging the atomic types.
Reducing the synchronization means that executions with and
without the debug calls will be more consistent,
making it easier to debug.
---
 library/core/src/sync/atomic.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/library/core/src/sync/atomic.rs b/library/core/src/sync/atomic.rs
index a01f3fbad565c..c0aa5dd4cc327 100644
--- a/library/core/src/sync/atomic.rs
+++ b/library/core/src/sync/atomic.rs
@@ -1517,7 +1517,7 @@ macro_rules! atomic_int {
         #[$stable_debug]
         impl fmt::Debug for $atomic_type {
             fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-                fmt::Debug::fmt(&self.load(Ordering::SeqCst), f)
+                fmt::Debug::fmt(&self.load(Ordering::Relaxed), f)
             }
         }
 
@@ -2996,7 +2996,7 @@ pub fn compiler_fence(order: Ordering) {
 #[stable(feature = "atomic_debug", since = "1.3.0")]
 impl fmt::Debug for AtomicBool {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt::Debug::fmt(&self.load(Ordering::SeqCst), f)
+        fmt::Debug::fmt(&self.load(Ordering::Relaxed), f)
     }
 }
 
@@ -3004,7 +3004,7 @@ impl fmt::Debug for AtomicBool {
 #[stable(feature = "atomic_debug", since = "1.3.0")]
 impl<T> fmt::Debug for AtomicPtr<T> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt::Debug::fmt(&self.load(Ordering::SeqCst), f)
+        fmt::Debug::fmt(&self.load(Ordering::Relaxed), f)
     }
 }