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Fri Nov 21 11:48:27 EST 2003 · https://mail.python.org/pipermail/python-dev/2003-November/040354.html

>> ======================================================================
>> ERROR: test_bug_418626 (__main__.ReTests)
>> ----------------------------------------------------------------------
>> Traceback (most recent call last):
>>   File "../lib/test/test_re.py", line 410, in test_bug_418626
>>     self.assertEqual(re.search('(a|b)*?c', 10000*'ab'+'cd').end(0),
>>   20001) File "C:\CODE\23\lib\sre.py", line 137, in search
>>     return _compile(pattern, flags).search(string)
>> RuntimeError: maximum recursion limit exceeded
>>
>> ======================================================================
>> ERROR: test_stack_overflow (__main__.ReTests)
>> ----------------------------------------------------------------------
>> Traceback (most recent call last):
>>   File "../lib/test/test_re.py", line 420, in test_stack_overflow
>>     self.assertEqual(re.match('(x)*', 50000*'x').group(1), 'x')
>>   File "C:\CODE\23\lib\sre.py", line 132, in match
>>     return _compile(pattern, flags).match(string)
>> RuntimeError: maximum recursion limit exceeded
>>
>> ----------------------------------------------------------------------
>> Ran 46 tests in 0.550s
>>
>> FAILED (errors=2)

[Gustavo Niemeyer]
> It looks like someone have backported the changes done in test_re.py.
> These tests were expected to fail with the SRE from 2.3.

The tests are never expected to fail, so I think you mean that test_re in
2.3 should expect (and suppress) the RuntimeError in these cases.

It looks like Anthony changed this most recently:

    test_re.py
    Revision 1.45.6.1
    Tue Nov 4 14:11:01 2003 UTC (2 weeks, 3 days ago) by anthonybaxter
    Branch: release23-maint
    Changes since 1.45: +9 -7 lines

    get tests working again. partial backport of 1.46 - I fixed the
    recursive tests that used to fail, but left test_re_groupref_exists
    disabled, as it fails on the release23-maint branch. Maybe something
    else needs to be backported?

We've got more than one problem here, then, because Barry reports that
test_re on release23-maint, as it exists today, does *not* fail on a RedHat
9 build.  So if Anthony reverted that change, test_re would pass again on
Windows, but would start to fail on RH9.

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