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

[STINNER Victor]

STINNER Victor added the comment:

I checked typeobject.c: there is a single case where we use the result of lookup_maybe_method()/lookup_method() for something else than calling the unbound method: slot_tp_finalize() calls PyErr_WriteUnraisable(del), the case discussed in my previous message which caused test_exceptions failure (now fixed).

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