[issue29507] Use FASTCALL in call_method() to avoid temporary tuple

[STINNER Victor]

STINNER Victor added the comment:

>> I'm not sure about the change on PyObject_CallMethod*() only for empty format string.
>
> There are many place using _PyObject_CallMethodId() to call method without args.

I'm more interested by an optimization PyObject_CallMethod*() for any number of arguments, as done in typeobject.c ;-)

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29507>
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