From 3e373f5ee7ab5cf6d9fe986f697fe27fe90c53ea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1s=20Vallotton?= <tvallotton@uc.cl>
Date: Fri, 15 Dec 2023 10:30:43 -0300
Subject: [PATCH] chore: add and !Sync impls for LocalWaker as a stability
 guarantee.

---
 library/core/src/task/wake.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/library/core/src/task/wake.rs b/library/core/src/task/wake.rs
index 3fc97a199a6b..40f0b0c51446 100644
--- a/library/core/src/task/wake.rs
+++ b/library/core/src/task/wake.rs
@@ -787,3 +787,8 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
             .finish()
     }
 }
+
+#[unstable(feature = "local_waker", issue = "118959")]
+impl !Send for LocalWaker {}
+#[unstable(feature = "local_waker", issue = "118959")]
+impl !Sync for LocalWaker {}