Doug Gregor de66b0c25c [GSB] Warn about redeclarations of associated types from inherited protocols. ...

Introduce a warning about redeclaring the associated types from an
inherited protocol in the protocol being checked:

* If the new declaration is an associated type, note that the
  declaration could be replaced by requirements in the protocol's
  where clause.
* If the new declaration is a typealias, note that it could be
  replaced by a same-type constraint in the protocol's where clause.

2017-04-24 07:55:42 -07:00

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