   0  inline_call_ir_r <JitCode 'interp_w__W_ArrayInstance'>, I[$False], R[%r0] -> %r0
   8  -live- %r0
   8  getfield_gc_i %r0, FieldDescr<pypy.module._rawffi.array.W_ArrayInstance.inst_length> -> %i0
  13  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x100951d1e10> -> %r0
  17  setfield_gc_i %r0, %i0, FieldDescr<pypy.objspace.std.intobject.W_IntObject.inst_intval>
  22  ref_return %r0
