[New-bugs-announce] [issue33720] test_marshal: crash in Python 3.7b5 on Windows 10

[STINNER Victor]

New submission from STINNER Victor <vstinner at redhat.com>:

Follow-up of bpo-33719.

C:\Users\vstinner\AppData\Local\Programs\Python\Python37>python.exe -m test test_marshal -v
== CPython 3.7.0b5 (v3.7.0b5:abb8802389, May 31 2018, 01:54:01) [MSC v.1913 64 bit (AMD64)]
== Windows-10-10.0.16299-SP0 little-endian
== cwd: C:\Users\vstinner\AppData\Local\Temp\test_python_3836
== CPU count: 2
== encodings: locale=cp1252, FS=utf-8
Run tests sequentially
0:00:00 [1/1] test_marshal
(...)
test_loads_2x_code (test.test_marshal.BugsTestCase) ... Windows fatal exception: stack overflow

Current thread 0x000003a0 (most recent call first):
  File "C:\Users\vstinner\AppData\Local\Programs\Python\Python37\lib\unittest\case.py", line 178 in handle
  File "C:\Users\vstinner\AppData\Local\Programs\Python\Python37\lib\unittest\case.py", line 743 in assertRaises
  File "C:\Users\vstinner\AppData\Local\Programs\Python\Python37\lib\test\test_marshal.py", line 215 in test_loads_2x_code
  (...)

Crashes in test_marshal is on old topic:

* bpo-1050
* bpo-2286
* bpo-25264
* bpo-22734
* bpo-27019

Current stack size: 2 million bytes (1.9 MiB)

PCbuild/python.vcxproj:      <StackReserveSize>2000000</StackReserveSize>
PCbuild/pythonw.vcxproj:      <StackReserveSize>2000000</StackReserveSize>

----------
components: Tests, Windows
messages: 318323
nosy: paul.moore, steve.dower, tim.golden, vstinner, zach.ware
priority: normal
severity: normal
status: open
title: test_marshal: crash in Python 3.7b5 on Windows 10
versions: Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33720>
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