// 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

func b<H : AnyObject, U.c = {
class A {
init<(t: A? = F>()?
return "A? = [T) -> Int = nil
convenience init(g: H) {
class d: A {
class A {
protocol P {
func f
