   0  -live- %r0, %r1
   3  guard_class %r1 -> %i0
   6  getfield_raw_i %i0, FieldDescr<pypy.interpreter.baseobjspace.W_Root_vtable.cls_is_w> -> %i0
  11  -live- %i0, %r0, %r1
  14  int_guard_value %i0
  16  residual_call_r_i %i0, <IndirectCallTargets>, R[%r1, %r0], <CallDescr(rr) EF=7> -> %i0
  24  -live- %i0
  27  goto_if_not %i0, L1
  31  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
  33  ---
  33  L1:
  33  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
