   0  getfield_gc_r %r0, FieldDescr<rpython.rlib.rstruct.runpack.ReaderForPos0.inst_mr> -> %r1
   5  getfield_gc_r %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_input> -> %r0
  10  getfield_gc_i %r1, FieldDescr<rpython.rlib.rstruct.runpack.MasterReader.inst_inputpos> -> %i0
  15  -live- %i0, %r0, %r1
  15  goto_if_not_ptr_iszero %r0, L1
  19  raise $<* struct object>
  21  ---
  21  L1:
  21  int_mod %i0, $1 -> %i1
  25  -live- %i0, %i1, %r0, %r1
  25  goto_if_not_int_is_true %i1, L2
  29  raise $<* struct object>
  31  ---
  31  L2:
  31  inline_call_ir_r <JitCode 'MasterReader.read'>, I[$1], R[%r1] -> %r1
  39  -live- %i0, %r0
  39  gc_load_indexed_i %r0, %i0, $<ItemOffset <Char> 1>, $< <FieldOffset <GcStruct rpy_string { hash, chars }> 'chars'> + < ArrayItemsOffset <Array of Char > > >, $<ItemOffset <UCHAR> 1> -> %i0
  46  int_return %i0
