// RUN: not --crash %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 g<T -> Int {
class A {
class func f<T.B? = B<T : C {
protocol A {
func f: T.h
