   0  getfield_gc_r %r0, FieldDescr<pypy.objspace.std.bytearrayobject.W_BytearrayObject.inst__data> -> %r1
   5  getfield_gc_i %r1, FieldDescr<list.length> -> %i0
  10  getfield_gc_i %r0, FieldDescr<pypy.objspace.std.bytearrayobject.W_BytearrayObject.inst__offset> -> %i1
  15  int_sub %i0, %i1 -> %i0
  19  -live- %i0, %i1, %r0
  19  goto_if_not_int_ne %i0, $1, L1
  24  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x00000001b2381868> -> %r0
  28  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  33  setfield_gc_r %r0, $<* struct tuple2>, FieldDescr<pypy.interpreter.error.OpErrFmt.inst_xstrings>
  38  setfield_gc_i %r0, %i0, FieldDescr<pypy.interpreter.error.OpErrFmt.inst_x0>
  43  assert_not_none %r0
  45  -live- %r0
  45  guard_class %r0 -> %i0
  48  -live- %r0
  48  raise %r0
  50  ---
  50  L1:
  50  getfield_gc_r %r0, FieldDescr<pypy.objspace.std.bytearrayobject.W_BytearrayObject.inst__data> -> %r0
  55  getlistitem_gc_i %r0, %i1, FieldDescr<list.items>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x00000001b9870100> -> %i0
  63  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000000017400ab10> -> %r0
  67  setfield_gc_i %r0, %i0, FieldDescr<pypy.objspace.std.intobject.W_IntObject.inst_intval>
  72  ref_return %r0
