Change the Python layer to avoid PyInt_FromSsize_t, and remove the
compatibility define.
gdb/ChangeLog
2020-09-15 Tom Tromey <tromey@adacore.com>
* python/python-internal.h (PyInt_FromSsize_t): Remove define.
* python/py-record.c (recpy_element_number): Use
gdb_py_object_from_longest.
(recpy_gap_number): Likewise.