bpo-18407: ast.c now uses Py_ssize_t for asdl_seq_LEN() - #10655
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When iterating using asdl_seq_LEN(), use 'Py_ssize_t' type instead of 'int', to avoid downcast on 64-bit platforms. _Py_asdl_int_seq_new() now also ensures that the index is greater or equal than 0.
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When iterating using asdl_seq_LEN(), use 'Py_ssize_t' type instead of
'int', to avoid downcast on 64-bit platforms.
_Py_asdl_int_seq_new() now also ensures that the index is greater or
equal than 0.
https://bugs.python.org/issue18407