Merged revisions 67049 via svnmerge from

Merged revisions 67049 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r67049 | amaury.forgeotdarc | 2008-10-30 22:18:34 +0100 (jeu., 30 oct. 2008) | 8 lines

  Issue #4176: Pickle would crash the interpreter when a __reduce__ function
  does not return an iterator for the 4th and 5th items.
  (sequence-like and mapping-like state)

  A list is not an iterator...

  Will backport to 2.6 and 2.5.
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