From e4dc11d98d6e7d9fb42ce847ee6b6194e764d1b7 Mon Sep 17 00:00:00 2001
From: varkor <github@varkor.com>
Date: Sun, 10 Dec 2017 23:21:26 +0000
Subject: [PATCH] Add `std::fmt::Pointer` implementation for `AtomicPtr`

Resolves #29212.
---
 src/libcore/sync/atomic.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/libcore/sync/atomic.rs b/src/libcore/sync/atomic.rs
index 4c6ff4d1bb4..e334d2014af 100644
--- a/src/libcore/sync/atomic.rs
+++ b/src/libcore/sync/atomic.rs
@@ -1819,3 +1819,11 @@ impl<T> fmt::Debug for AtomicPtr<T> {
         f.debug_tuple("AtomicPtr").field(&self.load(Ordering::SeqCst)).finish()
     }
 }
+
+#[cfg(target_has_atomic = "ptr")]
+#[stable(feature = "atomic_pointer", since = "1.24.0")]
+impl<T> fmt::Pointer for AtomicPtr<T> {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fmt::Pointer::fmt(&self.load(Ordering::SeqCst), f)
+    }
+}