SGScript coroutine sync/race bytecode

        0027 |  INT 3
        0028 |  SET R3 <= C10
        0029 |  SET R4 <= C11
        0030 |  COTRF R4 <= R0
        0031 |  COTRF R4 <= R1
        0032 |  COTRF R4 <= R2
        0033 |  COTRT R3 <= R4
        0034 |  COTRT R3 <= C12
        0035 |  JMP_F R3, 1
        0036 |  CO_ABORT -9
        0037 |  JMP_T R3, 1
        0038 |  YIELD_JUMP -11
        0039 |  GETVAR R4 <= C0