Hero bug

hero.dart

// Copyright (c) 2015, the Flutter project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import 'package:flutter/animation.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/services.dart';

void main() {
  timeDilation = 8.0;
  runApp(
    new MaterialApp(
      title: "Hero Issue Repro",
      routes: {
        '/': (RouteArguments args) => new HeroDemo(),
        '/other': (RouteArguments args) => new OtherPage(),
      }
    )
  );
}

class HeroDemo extends StatelessComponent {
  Widget build(BuildContext context)  {
    return new Block([
      new Container(
        height: 500.0,
        decoration: const BoxDecoration(backgroundColor: const Color(0xFF00FFFF))
      ),
      new Block(
        [
          new Hero(
            child: new GestureDetector(
              onTap: () => Navigator.of(context).pushNamed("/other"),
              child: new Container(
                height: 300.0,
                decoration: const BoxDecoration(backgroundColor: const Color(0xFFFF00FF))
              )
            ),
            tag: "test",
            key: new Key("test")
          ),
        ]
      ),
    ]);
  }
}

class OtherPage extends StatelessComponent {
  Widget build(BuildContext context)  {
    return new Block(
      [
        new Hero(
          child: new Container(
            height: 300.0,
            decoration: const BoxDecoration(backgroundColor: const Color(0xFFFF00FF))
          ),
          tag: "test",
          key: new Key("test")
        ),
        new Container(
          height: 800.0,
          decoration: const BoxDecoration(backgroundColor: const Color(0xFF333333))
        )
      ]
    );
  }
}