Since 3.20: Bar chart throws exception in case of duplicate x values

[dell-mic]

Bug report

Codepen

https://codepen.io/Crossing/pen/ZEWGBjL

Explanation

• What is the behavior you expect?
  The 'old' behavior as of version 3.19.3:
  

• What is happening instead?
  Subsequent labels are not rendered anymore. Exception is thrown.
  

• What error message are you getting?
  

[junedchhipa]

Thanks for reporting, fixed it

[dell-mic]

Wow, that was fast! Thanks a lot for the fix and the great work you are doing here 😊