Yes, this is the same bug.
There is a bug report about it on the official bug-tracker - 1295617 - chromium - An open-source project to help move the web forward. - Monorail. Note that you can vote for it. To do it, login via Google and toggle this button with the star:
This happens only when using the copy button on the address bar:
Everything works just fine when coping a link from the web page (even an external link) or when coping a link from the address bar “manually”:
- tap on the edit button:
- select URL in address bar
- copy it using the context menu
I, personally, doubt that this is a security feature. That would be pretty confusing UX in my opinion. And I tried to find some announce of it, and found nothing. My guess is that this is a bug in Chrome, and the fact that the link appears in the clipboard after tapping the button with an eye is a side effect of pressing that button.