[issue29259] Add tp_fastcall to PyTypeObject: support FASTCALL calling convention for all callable objects

[STINNER Victor]

STINNER Victor added the comment:

See also issue #29306: "Check usage of Py_EnterRecursiveCall() and Py_LeaveRecursiveCall() in new FASTCALL functions".

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29259>
_______________________________________