From 5c1cf180639ae3653ea023c59ff7b21a217e99cf Mon Sep 17 00:00:00 2001
From: Christian Blichmann <cblichmann@google.com>
Date: Wed, 21 Aug 2024 10:00:03 +0200
Subject: [PATCH] Fix soundness issue in with `UnsafeRef<T>`

Fixes #92. This applies a suggestion from @cramertj in an internal
unsafe review.
---
 src/unsafe_ref.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/unsafe_ref.rs b/src/unsafe_ref.rs
index fec8b94..57f8064 100644
--- a/src/unsafe_ref.rs
+++ b/src/unsafe_ref.rs
@@ -104,6 +104,6 @@ impl<T: fmt::Debug + ?Sized> fmt::Debug for UnsafeRef<T> {
     }
 }
 
-unsafe impl<T: ?Sized + Send> Send for UnsafeRef<T> {}
+unsafe impl<T: ?Sized + Send + Sync> Send for UnsafeRef<T> {}
 
 unsafe impl<T: ?Sized + Sync> Sync for UnsafeRef<T> {}