gh-157833: Fix specialized C calls with additional method flags - #157834
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overcat
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tomasr8
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September 20, 2026 01:19
cocolato
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Sep 20, 2026
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we can add a mask macro like this:
#define _Py_METH_CALL_FLAGS \
(METH_VARARGS | METH_FASTCALL | METH_NOARGS | METH_O | METH_KEYWORDS | METH_METHOD)
cocolato
reviewed
Sep 21, 2026
markshannon
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Sep 30, 2026
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Thanks @overcat for the PR, and @markshannon for merging it 🌮🎉.. I'm working now to backport this PR to: 3.15. |
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GH-158544 is a backport of this pull request to the 3.15 branch. |
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Fixes #157833
Ignore
METH_CLASS,METH_STATICandMETH_COEXISTin the specialized C call guards and corresponding Tier 2 optimizer checks. This prevents calls accepted by the specializer from failing their flag guards on every call.METH_METHODremains checked because it changes the C calling convention.Add Tier 1 and Tier 2 regression tests for all seven affected instructions, regenerate the affected files.
METH_CLASS,METH_STATICorMETH_COEXIST#157833