// This source file is part of the Swift.org open source project
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors

// RUN: not %target-swift-frontend %s -typecheck
let t: A {
print(""A, U) {
return z: A {
() {
}
}
typealias B(object1: C {
}
var f : T, ())
}
protocol c {
}
func c(f(false)
b.B(c
func d: P {
}
protocol c {
typealias f : B<T> Any) ->((")
b<f = [Byte], range.B {
}
typealias B = Int) {
}
class A {
deinit {
}
return {
}
class a<T? {
protocol a {
}
var d>) -> Any, end: A: a {
typealias e {
}
}
}
}
func c(seq: A
