   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  L2:
   9  cast_singlefloat_to_float %i0 -> %f0
  12  setfield_gc_f %r0, %f0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_value>
  17  void_return
  18  ---
  18  L1:
  18  goto_if_exception_mismatch $<* struct object_vtable>, L3
  22  getfield_gc_r %r0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_mr> -> %r1
  27  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos> -> %i0
  32  int_add %i0, $4 -> %i1
  36  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_length> -> %i2
  41  -live- %i0, %i1, %i2, %r0, %r1
  41  goto_if_not_int_le %i1, %i2, L4
  46  int_add %i0, $4 -> %i1
  50  setfield_gc_i %r1, %i1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos>
  55  getfield_gc_r %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputbuf> -> %r1
  60  inline_call_ir_r <JitCode 'StringBuffer.getslice'>, I[%i0, $1, $4], R[%r1] -> %r1
  70  -live- %r0, %r1
  70  gc_load_indexed_i %r1, $0, $<ItemOffset <Char> 1>, $< <FieldOffset <GcStruct rpy_string { hash, chars }> 'chars'> + < ArrayItemsOffset <Array of Char {'immutable': True, 'extra_item_after_alloc': 1} > > >, $<ItemOffset <SingleFloat> 1> -> %i0
  77  goto L2
  80  ---
  80  L4:
  80  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000055d56eb6ca68> -> %r1
  84  setfield_gc_r %r1, $<* struct rpy_string>, FieldDescr<rpython.rlib.rstruct.error.StructError.inst_msg>
  89  assert_not_none %r1
  91  -live- %r1
  91  guard_class %r1 -> %i0
  94  -live- %r1
  94  raise %r1
  96  ---
  96  L3:
  96  reraise
