// 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 P {
}
protocol P {
}
protocol C {
enum a() {
}
var b : P {
switch x }
func b<C() {
}
typealias d: b {