status.isOverride
Even though SO may not be correct overrides sometimes, it feels more natural to treat fake overrides as... well, "overrides". And without it we'd need to make the code in `FirOverrideChecker` less intuitive.
This commit is a follow-up to 3cb9396b20 "K2: prefer derived class sources for callable copies (e.g. fake overrides)" #KT-64044 Fixed
3cb9396b20