Tweak Lint/MissingSuper [See #8376]

[marcandre]

No description provided.

[ruanltbg]

Thank you for the hard/fast work.

[fatkodima]

Seems like there are another 3 ones https://ruby-doc.org/core-2.7.1/BasicObject.html#method-i-singleton_method_added
Sorry, forgot about them also.

[marcandre]

Seems like there are another 3 ones https://ruby-doc.org/core-2.7.1/BasicObject.html#method-i-singleton_method_added

I never realize those existed. I can't think of a reason for their existence either, as def singleton_class.method_added should have the same effect. I added them to the list 👍

[koic]

Nice improvement 👍

[bbatsov]

Indeed!