// 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

protocol c {
func e!.R
class A {
switch x }
typealias e : P> : A, let t: b: B>: A> ("")
class func b: e
