SF bug #793826: using itertools.izip to mutate tuples

Avoid Armin Rigo's dastardly exercise in re-entrancy.

diff --git a/Misc/NEWS b/Misc/NEWS
index b2d1a2d6f146dff8f581b5200e55f2af1f90366a..2af1ef9e501f42ef5820ec4235bca7c8b04dd696 100644 (file)
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -20,6 +20,9 @@ Core and builtins
 Extension modules
 -----------------
 
+- Bug #793826:  re-ordered the reference counting code in
+  itertools.izip() to prevent re-entrancy anomalies.
+
 - Bug #770485: cStringIO did not support the f.closed attribute.
 
 - Patch #781722: Gracefully reject AF_INET6 in socket.inet_pton