From 86a5cec050b617eb2ef53d3b803a192d4fe93f0d Mon Sep 17 00:00:00 2001
From: takashiidobe <idobetakashi@gmail.com>
Date: Tue, 31 May 2022 11:33:54 -0500
Subject: [PATCH 1/2] remove panics for atomic load and stores

---
 library/core/src/sync/atomic.rs | 36 +++++++++------------------------
 1 file changed, 10 insertions(+), 26 deletions(-)

diff --git a/library/core/src/sync/atomic.rs b/library/core/src/sync/atomic.rs
index 43cfb1bb6407a..2f5e8bdd0a0fd 100644
--- a/library/core/src/sync/atomic.rs
+++ b/library/core/src/sync/atomic.rs
@@ -427,10 +427,6 @@ impl AtomicBool {
     /// `load` takes an [`Ordering`] argument which describes the memory ordering
     /// of this operation. Possible values are [`SeqCst`], [`Acquire`] and [`Relaxed`].
     ///
-    /// # Panics
-    ///
-    /// Panics if `order` is [`Release`] or [`AcqRel`].
-    ///
     /// # Examples
     ///
     /// ```
@@ -453,10 +449,6 @@ impl AtomicBool {
     /// `store` takes an [`Ordering`] argument which describes the memory ordering
     /// of this operation. Possible values are [`SeqCst`], [`Release`] and [`Relaxed`].
     ///
-    /// # Panics
-    ///
-    /// Panics if `order` is [`Acquire`] or [`AcqRel`].
-    ///
     /// # Examples
     ///
     /// ```
@@ -1109,10 +1101,6 @@ impl<T> AtomicPtr<T> {
     /// `load` takes an [`Ordering`] argument which describes the memory ordering
     /// of this operation. Possible values are [`SeqCst`], [`Acquire`] and [`Relaxed`].
     ///
-    /// # Panics
-    ///
-    /// Panics if `order` is [`Release`] or [`AcqRel`].
-    ///
     /// # Examples
     ///
     /// ```
@@ -1135,10 +1123,6 @@ impl<T> AtomicPtr<T> {
     /// `store` takes an [`Ordering`] argument which describes the memory ordering
     /// of this operation. Possible values are [`SeqCst`], [`Release`] and [`Relaxed`].
     ///
-    /// # Panics
-    ///
-    /// Panics if `order` is [`Acquire`] or [`AcqRel`].
-    ///
     /// # Examples
     ///
     /// ```
@@ -1692,10 +1676,6 @@ macro_rules! atomic_int {
             /// `load` takes an [`Ordering`] argument which describes the memory ordering of this operation.
             /// Possible values are [`SeqCst`], [`Acquire`] and [`Relaxed`].
             ///
-            /// # Panics
-            ///
-            /// Panics if `order` is [`Release`] or [`AcqRel`].
-            ///
             /// # Examples
             ///
             /// ```
@@ -1717,10 +1697,6 @@ macro_rules! atomic_int {
             /// `store` takes an [`Ordering`] argument which describes the memory ordering of this operation.
             ///  Possible values are [`SeqCst`], [`Release`] and [`Relaxed`].
             ///
-            /// # Panics
-            ///
-            /// Panics if `order` is [`Acquire`] or [`AcqRel`].
-            ///
             /// # Examples
             ///
             /// ```
@@ -2664,7 +2640,11 @@ unsafe fn atomic_compare_exchange<T: Copy>(
             _ => panic!("a failure ordering can't be stronger than a success ordering"),
         }
     };
-    if ok { Ok(val) } else { Err(val) }
+    if ok {
+        Ok(val)
+    } else {
+        Err(val)
+    }
 }
 
 #[inline]
@@ -2693,7 +2673,11 @@ unsafe fn atomic_compare_exchange_weak<T: Copy>(
             _ => panic!("a failure ordering can't be stronger than a success ordering"),
         }
     };
-    if ok { Ok(val) } else { Err(val) }
+    if ok {
+        Ok(val)
+    } else {
+        Err(val)
+    }
 }
 
 #[inline]

From 35490c3f4bd583edba32183031043f75bea493a0 Mon Sep 17 00:00:00 2001
From: takashiidobe <idobetakashi@gmail.com>
Date: Tue, 31 May 2022 12:32:53 -0500
Subject: [PATCH 2/2] remove formatting of if ok

---
 library/core/src/sync/atomic.rs | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/library/core/src/sync/atomic.rs b/library/core/src/sync/atomic.rs
index 2f5e8bdd0a0fd..257bf2fc156d9 100644
--- a/library/core/src/sync/atomic.rs
+++ b/library/core/src/sync/atomic.rs
@@ -2640,11 +2640,7 @@ unsafe fn atomic_compare_exchange<T: Copy>(
             _ => panic!("a failure ordering can't be stronger than a success ordering"),
         }
     };
-    if ok {
-        Ok(val)
-    } else {
-        Err(val)
-    }
+    if ok { Ok(val) } else { Err(val) }
 }
 
 #[inline]
@@ -2673,11 +2669,7 @@ unsafe fn atomic_compare_exchange_weak<T: Copy>(
             _ => panic!("a failure ordering can't be stronger than a success ordering"),
         }
     };
-    if ok {
-        Ok(val)
-    } else {
-        Err(val)
-    }
+    if ok { Ok(val) } else { Err(val) }
 }
 
 #[inline]