[issue27128] Add _PyObject_FastCall()

[Roundup Robot]

Roundup Robot added the comment:

New changeset c2af917bde71 by Victor Stinner in branch 'default':
PyFile_WriteObject() now uses fast call
https://hg.python.org/cpython/rev/c2af917bde71

New changeset 0da1ce362d15 by Victor Stinner in branch 'default':
import_name() now uses fast call
https://hg.python.org/cpython/rev/0da1ce362d15

New changeset e5b24f595235 by Victor Stinner in branch 'default':
PyErr_PrintEx() now uses fast call
https://hg.python.org/cpython/rev/e5b24f595235

New changeset 154f78d387f9 by Victor Stinner in branch 'default':
call_trampoline() now uses fast call
https://hg.python.org/cpython/rev/154f78d387f9

New changeset 351b987d6d1c by Victor Stinner in branch 'default':
sys_pyfile_write_unicode() now uses fast call
https://hg.python.org/cpython/rev/351b987d6d1c

New changeset abb93035ebb7 by Victor Stinner in branch 'default':
_elementtree: deepcopy() now uses fast call
https://hg.python.org/cpython/rev/abb93035ebb7

New changeset 2954d2aa4c90 by Victor Stinner in branch 'default':
pattern_subx() now uses fast call
https://hg.python.org/cpython/rev/2954d2aa4c90

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue27128>
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