Doug Gregor 8cf718f9f6 Don't allow a generic parameter with a non-@objc protocol requirement to bind to an existential. ...

We don't properly open up the existential to make this work, which
leads to an IRGen crash. Reject the uses of generics that would cause
such a crash rdar://problem/17491663.


Swift SVN r21946

2014-09-15 17:36:26 +00:00

145 KiB

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