   0  inline_call_ir_r <JitCode 'interp_w__W_ArrayBase'>, I[$False], R[%r0] -> %r0
   8  -live- %r0, %r1
   8  -live- %r0, %r1
   8  guard_class %r0 -> %i0
  11  getfield_raw_i %i0, FieldDescr<pypy.module.array.interp_array.W_ArrayBase_vtable.cls_extend> -> %i0
  16  residual_call_ir_v %i0, I[$False], R[%r0, %r1], <CallDescr(rri) EF=7>
  25  -live-
  25  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
