[issue5223] infinite recursion in PyErr_WriteUnraisable

[lplatypus]

lplatypus <luke at deller.id.au> added the comment:

Hi amaury, I am copying you into this issue because I think it was
introduced in your revision 65320 when you added a call to
PyErr_WriteUnraisable from PyErr_GivenExceptionMatches in Python/errors.c.
Any thoughts on on this issue or how to fix it would be very welcome.

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message_count: 3.0 -> 4.0
nosy: +amaury.forgeotdarc
nosy_count: 2.0 -> 3.0

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue5223>
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