Blocked revisions 77276 via svnmerge

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  r77276 | mark.dickinson | 2010-01-03 12:16:06 +0000 (Sun, 03 Jan 2010) | 9 lines

  Merged revisions 77275 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r77275 | mark.dickinson | 2010-01-03 12:03:03 +0000 (Sun, 03 Jan 2010) | 1 line

    Make use of PyLong_AsLongAndOverflow in math_ldexp.
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