   0  -live- %r0, %r1
   0  guard_class %r1 -> %i0
   3  getfield_raw_i %i0, FieldDescr<pypy.interpreter.baseobjspace.W_Root_vtable.cls_is_w> -> %i0
   8  -live- %i0, %r0, %r1
   8  int_guard_value %i0
  10  residual_call_r_i %i0, <IndirectCallTargets>, R[%r1, %r0], <CallDescr(rr) EF=7> -> %i0
  18  -live- %i0
  18  int_return %i0
