// RUN: %target-swift-frontend %s -parse -verify

// Distributed under the terms of the MIT license
// Test case submitted to project by https://github.com/practicalswift (practicalswift)
// rdar://17242486

protocol a {
  typealias d // expected-note {{protocol requires nested type 'd'}}
  typealias e = d
  typealias f = d
}
class b<h : c, i : c where h.g == i> : a { // expected-note {{'b' previously declared here}} expected-error {{type 'b<h, i>' does not conform to protocol 'a'}}
}
class b<h, i> { // expected-error {{invalid redeclaration of 'b'}}
}
protocol c {
    typealias g
}