   0  getfield_gc_i_pure %r0, FieldDescr<pypy.objspace.std.intobject.W_IntObject.inst_intval> -> %i0
   5  -live- %i0
   8  goto_if_not_int_is_true %i0, L1
  12  ref_copy $<* struct rpy_string> -> %r0
  15  L2:
  15  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000563a68dd2100> -> %r1
  19  setfield_gc_r %r1, %r0, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  24  ref_return %r1
  26  ---
  26  L1:
  26  ref_copy $<* struct rpy_string> -> %r0
  29  goto L2
