[issue20717] test_4_daemon_threads() fails randomly on "x86 Windows Server 2003 [SB] 3.x"

[STINNER Victor]

STINNER Victor added the comment:

The test failed also on "AMD64 Windows7 SP1 3.x" buildbot:

http://buildbot.python.org/all/builders/AMD64%20Windows7%20SP1%203.x/builds/4144/steps/test/logs/stdio

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FAIL: test_4_daemon_threads (test.test_threading.ThreadJoinOnShutdown)
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Traceback (most recent call last):
  File "C:\buildbot.python.org\3.x.kloth-win64\build\lib\test\test_threading.py", line 773, in test_4_daemon_threads
    rc, out, err = assert_python_ok('-c', script)
  File "C:\buildbot.python.org\3.x.kloth-win64\build\lib\test\script_helper.py", line 69, in assert_python_ok
    return _assert_python(True, *args, **env_vars)
  File "C:\buildbot.python.org\3.x.kloth-win64\build\lib\test\script_helper.py", line 55, in _assert_python
    "stderr follows:\n%s" % (rc, err.decode('ascii', 'ignore')))
AssertionError: Process return code is 3221225477, stderr follows:

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<http://bugs.python.org/issue20717>
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