What steps will reproduce the problem?
(1)Add overscroll-behavior-x:none to a horizontally scrollable div or navigate to https://output.jsbin.com/kepiyus
(2)Scroll on the div when it is at its extent

What is the expected result?
The navigation should not happen

What happens instead?
The navigation happens.

Tried this on Canary(72.0.3606.0) and stable(70.0.3538.77) on Mac and ChromeOS.