Riot: If you reuse the declared object in the tag, an error will occur

[Elastic1]

1. Describe your issue:
   If you reuse the declared object in the tag, an error will occur
   Uncaught TypeError: Cannot read property 'root' of undefined

2. Can you reproduce the issue?
   https://plnkr.co/edit/63mwOXSWc5GlsN3376p6?p=preview

3. On which browser/OS does the issue appear?
   OS: Windows10
   browser: chrome

4. Which version of Riot does it affect?
   v3.10.1

5. How would you tag this issue?

   • [ ] Question
   • [x] Bug
   • [ ] Discussion
   • [ ] Feature request
   • [ ] Tip
   • [ ] Enhancement
   • [ ] Performance

[GianlucaGuarini]

thank you. The bug was fixed in [email protected]