#2542: now that issubclass() may call arbitrary code,
make sure that PyErr_ExceptionMatches returns 0 when an exception occurs there.
diff --git a/Misc/NEWS b/Misc/NEWS
index d1b5778..e93b5fe 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@
 Core and Builtins
 -----------------
 
+- Issue #2542: Now that issubclass() may call arbitrary code, ensure that
+  PyErr_ExceptionMatches returns 0 when an exception occurs there.
+
 - Issue #1819: function calls with several named parameters are now on
   average 35% faster (as measured by pybench).