[issue19650] test_multiprocessing_spawn.test_mymanager_context() crashed with STATUS_ACCESS_VIOLATION

[STINNER Victor]

New submission from STINNER Victor:

The following failure may be related to #19466. I failed to reproduce it on my Windows 7 VM (I compiled Python in 32-bit mode).

http://buildbot.python.org/all/builders/x86%20Windows%20Server%202008%20%5BSB%5D%203.x/builds/1697/steps/test/logs/stdio

======================================================================
FAIL: test_mymanager_context (test.test_multiprocessing_spawn.WithManagerTestMyManager)
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Traceback (most recent call last):
  File "E:\home\cpython\buildslave\x86\3.x.snakebite-win2k8r2sp1-x86\build\lib\test\_test_multiprocessing.py", line 1960, in test_mymanager_context
    self.assertEqual(manager._process.exitcode, 0)
AssertionError: 3221225477 != 0


3221225477 is 0xC0000005 in hex, Windows error code:
#define STATUS_ACCESS_VIOLATION  ((NTSTATUS)0xC0000005L)

----------
components: Windows
messages: 203346
nosy: haypo, sbt
priority: normal
severity: normal
status: open
title: test_multiprocessing_spawn.test_mymanager_context() crashed with STATUS_ACCESS_VIOLATION

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19650>
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