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.

1 files changed, 3 insertions, 3 deletions

diff --git a/library/core/src/sync/atomic.rs b/library/core/src/sync/atomic.rs
index a01f3fbad56..c0aa5dd4cc3 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)
     }
 }