   0  -live- %r1
   3  goto_if_not_ptr_nonzero %r1, L1
   7  ref_copy %r1 -> %r0
  10  -live- %r0, %r1
  13  guard_class %r1 -> %i0
  16  getfield_raw_i %i0, FieldDescr<object_vtable.subclassrange_min> -> %i0
  21  int_between $TotalOrderSymbolic('compute_fn'), %i0, $TotalOrderSymbolic('compute_fn') -> %i0
  26  -live- %i0, %r0
  29  goto_if_not %i0, L2
  33  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000002aa43c56368> -> %r1
  37  inline_call_r_v <JitCode 'W_FlatIterator.__init__'>, R[%r1, %r0]
  43  -live- %r1
  46  ref_return %r1
  48  ---
  48  L2:
  48  L3:
  48  raise $<* struct object>
  50  ---
  50  L1:
  50  goto L3
