// 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

struct Q<h.d() {
enum B : T : l.advance(n: Array) -> {
protocol A = compose("
}
class a : AnyObject, A {
protocol P {
protocol a : P> {
}
}
class A : A, b