[3.12] gh-122334: Fix crash when importing ssl after re-initialization (GH-122481) #122495
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The current
METH_FASTCALL|METH_KEYWORDS
functions in a non-builtin module can cause segfaults after restarting the main interpreter, invoking_PyArg_UnpackKeywords()
with an insufficiently cleared_PyArg_Parser
struct.This patch fixes the invalidation of the static argument parsers.
This backport cannot test
_zoneinfo
extension since_datetime
does single-phase init in 3.12.(cherry picked from commit 9fc1c99 AKA gh-122481)