// 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

<T, let a {
class A.c) -> : a {
}
protocol a {
func b, U) -> String {
func b: String {
}
}
case C) + seq: T>) {
}
typealias b in return { }
func c<A> : b : NSO
