   0  inline_call_ir_r <JitCode 'interp_w__W_BZ2Decompressor'>, I[$False], R[%r0] -> %r0
   8  -live- %r0, %r1
   8  inline_call_r_r <JitCode 'ObjSpace.bufferstr_w'>, R[%r1] -> %r1
  14  -live- %r0, %r1
  14  residual_call_r_r $<* fn W_BZ2Decompressor.decompress>, R[%r0, %r1], <CallDescr(rr) EF=7> -> %r0
  22  -live- %r0
  22  ref_return %r0
