// 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
func f<T? {
protocol c {
}
struct Q<c>([$0.advance(b, a: Array<U) -> <l : S({
var c("
return {
func i: [$0)
}
}
}
protocol b : a {
func a(
