// 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

public class A {
protocol P {
typealias F = b() {
case C("""\(x) -> a {
}
}
protocol c : a {
func a")