Issue #16453: Fix equality testing of dead weakref objects.
Also add tests for hashing.
diff --git a/Misc/NEWS b/Misc/NEWS
index d5a048e..6f1d66e 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -9,6 +9,8 @@
 Core and Builtins
 -----------------
 
+- Issue #16453: Fix equality testing of dead weakref objects.
+
 - Issue #9535: Fix pending signals that have been received but not yet
   handled by Python to not persist after os.fork() in the child process.