UserAgent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.110 Safari/537.36

Example URL:
https://jsfiddle.net/2emc4gxr/

Steps to reproduce the problem:
1. Create an HTML element;
2. Set it border to 1px black solid;
3. Set border-radius to 15 px;

What is the expected behavior?
Smooth rounded corner without artefacts.

What went wrong?
Not smooth rounded corner with artefacts.

Does it occur on multiple sites: Yes

Is it a problem with a plugin? No 

Did this work before? Yes https://bugs.chromium.org/p/chromium/issues/detail?id=5927

Does this work in other browsers? No IE11, FireFox 38.1

Chrome version: 49.0.2623.110  Channel: stable
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: Shockwave Flash 21.0 r0