UserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/59.0.3071.109 Chrome/59.0.3071.109 Safari/537.36

Steps to reproduce the problem:
1. Create a parent element with limited height, and "overflow: auto;" rule
2. Create an element with an looped animation anywhere in the page
3. Create a container that contains sticky element in it and try to test out that feature

Example:
https://jsfiddle.net/psao04ak/9/

What is the expected behavior?
The sticky element should move itself while scrolling inside the element.

What went wrong?
Sticky element won't move.

Did this work before? N/A 

Does this work in other browsers? N/A

Chrome version: 59.0.3071.109  Channel: n/a
OS Version: 
Flash Version: Shockwave Flash 26.0 r0

During tinkering in devtools, I've noticed that after any css rule changes the sticky element repositions itself to position it should be. Olso, when inspecting element, devtools are showing the higlight area where the element supposed to be.