STINNER Victor <vstin...@python.org> added the comment:
I wrote GH-32357 to check in debug mode that tp_dealloc functions leave the
current exception unchanged. You can use attached unicode_dealloc_bug.patch to
inject a bug to test my PR. Example ("make" is enough to trigger the bug):
---
Fatal Python error: _Py_Dealloc: Deallocator of type 'str' cleared the current
exception
Python runtime state: initialized
Current thread 0x00007ff28d45a740 (most recent call first):
File "/home/vstinner/python/main/Lib/sysconfig.py", line 349 in
_parse_makefile
File "/home/vstinner/python/main/Lib/sysconfig.py", line 470 in
_generate_posix_vars
File "/home/vstinner/python/main/Lib/sysconfig.py", line 845 in _main
File "/home/vstinner/python/main/Lib/sysconfig.py", line 857 in <module>
File "<frozen runpy>", line 88 in _run_code
File "<frozen runpy>", line 198 in _run_module_as_main
generate-posix-vars failed
---
----------
Added file: https://bugs.python.org/file50724/unicode_dealloc_bug.patch
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<https://bugs.python.org/issue45210>
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