   0  inline_call_irf_f <JitCode 'do_unpack_fastpath__rpython_rlib_rstruct_runpack_ReaderForPos0'>, I[], R[%r0], F[] -> %f0
   8  -live- %f0, %r0
   8  catch_exception L1
  11  L2:
  11  setfield_gc_f %r0, %f0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_value>
  16  void_return
  17  ---
  17  L1:
  17  goto_if_exception_mismatch $<* struct object_vtable>, L3
  21  getfield_gc_r %r0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_mr> -> %r1
  26  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos> -> %i0
  31  int_add %i0, $8 -> %i1
  35  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_length> -> %i2
  40  -live- %i0, %i1, %i2, %r0, %r1
  40  goto_if_not_int_le %i1, %i2, L4
  45  int_add %i0, $8 -> %i1
  49  setfield_gc_i %r1, %i1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos>
  54  getfield_gc_r %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputbuf> -> %r1
  59  inline_call_ir_r <JitCode 'StringBuffer.getslice'>, I[%i0, $1, $8], R[%r1] -> %r1
  69  -live- %r0, %r1
  69  gc_load_indexed_f %r1, $0, $<ItemOffset <Char> 1>, $< <FieldOffset <GcStruct rpy_string { hash, chars }> 'chars'> + < ArrayItemsOffset <Array of Char {'immutable': True, 'extra_item_after_alloc': 1} > > >, $<ItemOffset <Float> 1> -> %f0
  76  goto L2
  79  ---
  79  L4:
  79  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000002aa56355f30> -> %r1
  83  setfield_gc_r %r1, $<* struct rpy_string>, FieldDescr<rpython.rlib.rstruct.error.StructError.inst_msg>
  88  assert_not_none %r1
  90  -live- %r1
  90  guard_class %r1 -> %i0
  93  -live- %r1
  93  raise %r1
  95  ---
  95  L3:
  95  reraise
