Merged revisions 78642 via svnmerge from

Merged revisions 78642 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r78642 | victor.stinner | 2010-03-04 01:29:24 +0100 (jeu., 04 mars 2010) | 10 lines

  Merged revisions 78641 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r78641 | victor.stinner | 2010-03-04 01:10:12 +0100 (jeu., 04 mars 2010) | 3 lines

    Issue #7494: fix a crash in _lsprof (cProfile) after clearing the profiler,
    reset also the pointer to the current pointer context.
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