   0  inline_call_r_r <JitCode 'allocate_instance__W_BZ2Compressor'>, R[%r0] -> %r0
   6  -live- %i0, %r0
   6  inline_call_ir_v <JitCode 'W_BZ2Compressor.__init__'>, I[%i0], R[%r0]
  13  -live- %r0
  13  ref_return %r0
