// RUN: not %target-swift-frontend %s -parse
// Distributed under the terms of the MIT license
// Test case submitted to project by https://github.com/practicalswift (practicalswift)
// Test case found by fuzzing

protocol P{
func b
typealias f=(
enum b{{
}
protocol B{
func c<H:f
typealias e:b
enum b{func a
typealias f=c
func a(a
:f
