   0  -live- %r0
   0  guard_class %r0 -> %i0
   3  getfield_raw_i %i0, FieldDescr<pypy.objspace.std.bytesobject.W_AbstractBytesObject_vtable.cls_descr_lower> -> %i0
   8  -live- %i0, %r0
   8  switch %i0, <SwitchDictDescr 0:L1, 1:L2>
  12  unreachable
  13  ---
  13  L1:
  13  -live- %r0
  13  getfield_gc_r_pure %r0, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value> -> %r0
  18  residual_call_r_r $<* fn ll_lower__rpy_stringPtr>, R[%r0], <CallDescr(r) EF=3> -> %r0
  25  -live- %r0
  25  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x10096124f10> -> %r1
  29  setfield_gc_r %r1, %r0, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  34  ref_return %r1
  36  ---
  36  L2:
  36  -live-
  36  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
