// 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 : Int = {
struct Q<d.E == {
struct e : a
protocol A {
}
class a<j : c where f: b: I) {
protocol P {
