[TypeCheckDeclOverride] Add Fix-Its to "override" mismatch

[woshiccm]

Resolves SR-13388

Add Fix-Its to "override" mismatch

For code like this following:

class Base {
  func foo(a: Int, b: Int) {}
}
class C: Base {
  override func foo(a: Int) {} // error: method does not override any method from its superclass
}

we should provide a Fix-It that adds ", b: Int" to C.foo.

[woshiccm]

CC @slavapestov @xedin

[woshiccm]

@theblixguy Could you help to review,thx.

[shahmishal]

Please update the base branch to main by Oct 5th otherwise the pull request will be closed automatically.

• How to change the base branch: (Link)
• More detail about the branch update: (Link)

[woshiccm]

Please update the base branch to main by Oct 5th otherwise the pull request will be closed automatically.

• How to change the base branch: (Link)
• More detail about the branch update: (Link)

Thx, done.

[woshiccm]

@DougGregor @slavapestov Could you help to review?

[LucianoPAlmeida]

cc @CodaFi @AnthonyLatsis
Maybe they can help you review this :)