   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
  22  goto_if_not_int_ne %i0, $1, L1
  27  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000560944715210> -> %r0
  31  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  36  setfield_gc_r %r0, $<* struct tuple2>, FieldDescr<pypy.interpreter.error.OpErrFmt.inst_xstrings>
  41  setfield_gc_i %r0, %i0, FieldDescr<pypy.interpreter.error.OpErrFmt.inst_x0>
  46  assert_not_none %r0
  48  -live- %r0
  51  raise %r0
  53  ---
  53  L1:
  53  getfield_gc_r %r0, FieldDescr<pypy.objspace.std.bytearrayobject.W_BytearrayObject.inst__data> -> %r0
  58  getlistitem_gc_i %r0, %i1, FieldDescr<list.items>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000560923c83168> -> %i0
  66  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000560933e7a9f8> -> %r0
  70  setfield_gc_i %r0, %i0, FieldDescr<pypy.objspace.std.intobject.W_IntObject.inst_intval>
  75  ref_return %r0
