// NOTE: This test does NOT run under Address Sanitizer because it triggers
// a heap use-after-free (SR-1070).

// 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
{
protocol A{
func<typealias e=b
typealias e typealias b