Merged revisions 84098 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r84098 | alexander.belopolsky | 2010-08-16 14:55:46 -0400 (Mon, 16 Aug 2010) | 4 lines

  Issue #665761: functools.reduce() will no longer mask exceptions other
  than TypeError raised by the iterator argument.  Also added a test to
  check that zip() already behaves similarly.
........
diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py
index 34c2bb1..2a08337 100644
--- a/Lib/test/test_builtin.py
+++ b/Lib/test/test_builtin.py
@@ -1221,6 +1221,7 @@
         class G:
             pass
         self.assertRaises(TypeError, zip, a, G())
+        self.assertRaises(RuntimeError, zip, a, TestFailingIter())
 
         # Make sure zip doesn't try to allocate a billion elements for the
         # result list when one of its arguments doesn't say how long it is.