Components are duplicated when they share the same data object

[sqal]

Version

>= 2.5.14

Reproduction link

https://jsfiddle.net/smhk3r4h/

https://jsfiddle.net/smhk3r4h/2/ (2.5.13)

Steps to reproduce

Open reproduction link

What is expected?

Foo and Bar should be rendered only once with text-red class name

What is actually happening?

Passing the same data object to multiple components causes its duplication