040000 tree a922f9e0671db2c173d43ba504760d386061665e	arraylength
040000 tree a6625d524e55b1a293078e0d6cea85c4c36c71c3	signed_int_compare
040000 tree 650a851c99d1b8746dbc43fc8a50d825ad43551a	signed_op