   0  inline_call_r_i <JitCode 'do_unpack_fastpath__rpython_rlib_rstruct_runpack_ReaderForPos0'>, R[%r0] -> %i0
   6  -live- %i0, %r0
   6  catch_exception L1
   9  setfield_gc_i %r0, %i0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_value>
  14  void_return
  15  ---
  15  L1:
  15  goto_if_exception_mismatch $<* struct object_vtable>, L2
  19  getfield_gc_r %r0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_mr> -> %r1
  24  inline_call_ir_r <JitCode 'MasterReader.read'>, I[$2], R[%r1] -> %r1
  32  -live- %r0, %r1
  32  strgetitem %r1, $0 -> %i0
  36  -live- %i0, %r0, %r1
  36  goto_if_not_int_ge %i0, $128, L3
  41  int_sub %i0, $256 -> %i0
  45  L4:
  45  int_or %i0, $0 -> %i0
  49  strgetitem %r1, $1 -> %i1
  53  int_lshift %i0, $8 -> %i0
  57  int_or %i0, %i1 -> %i0
  61  setfield_gc_i %r0, %i0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_value>
  66  void_return
  67  ---
  67  L3:
  67  goto L4
  70  ---
  70  L2:
  70  reraise
