Issue #18518: timeit now rejects statements which can't be compiled outside
a function or a loop (e.g. "return" or "break").
diff --git a/Misc/NEWS b/Misc/NEWS
index e018689..fa5acd8 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -15,6 +15,9 @@
 Library
 -------
 
+- Issue #18518: timeit now rejects statements which can't be compiled outside
+  a function or a loop (e.g. "return" or "break").
+
 - Issue #19996: Make :mod:`httplib` ignore headers with no name rather than
   assuming the body has started.