UserAgent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.75 Safari/537.36

Steps to reproduce the problem:
1. Go to page with <frameset> or <iframe>
2. Reload sub(i)frame

What is the expected behavior?
The browser tab's loader starts spinning, as it does for reloading the top frame/entire page.

What went wrong?
There's absolutely no indication of any part of the page loading. It's very confusing.

Did this work before? N/A 

Chrome version: 62.0.3202.75  Channel: stable
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: 

Not where I encountered it, but still applies:

* frameset: https://webblocks.nl/tests/frameset.html
* iframe: https://webblocks.nl/tests/iframe.html