Issue #12973: Fix int.__pow__ overflow checks that invoked undefined behaviour, thereby producing incorrect results on Clang.
diff --git a/Misc/NEWS b/Misc/NEWS
index 2b67883..72d7a09 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -9,6 +9,11 @@
Core and Builtins
-----------------
+- Issue #12973: Fix overflow checks that invoked undefined behaviour in
+ int.__pow__. These overflow checks were causing int.__pow__ to produce
+ incorrect results with recent versions of Clang, as a result of the
+ compiler optimizing the check away.
+
- Issue #12266: Fix str.capitalize() to correctly uppercase/lowercase
titlecased and cased non-letter characters.