Merged revisions 84714 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r84714 | benjamin.peterson | 2010-09-11 11:02:03 -0500 (Sat, 11 Sep 2010) | 1 line

  check for NULL tp_as_mapping in PySequence_(Get/Set/Del)Slice #9834
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diff --git a/Misc/NEWS b/Misc/NEWS
index d716e47..3271861 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -105,6 +105,10 @@
 C-API
 -----
 
+- Issue #9834: Don't segfault in PySequence_GetSlice, PySequence_SetSlice, or
+  PySequence_DelSlice when the object doesn't have any mapping operations
+  defined.
+
 - Issue #5753: A new C API function, :cfunc:`PySys_SetArgvEx`, allows
   embedders of the interpreter to set sys.argv without also modifying
   sys.path.  This helps fix `CVE-2008-5983