// 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 {
enum B : d = 0)
}
extension String {
case C> {
}
protocol c : () -> : e() -> T, a<f : A, T)
protocol A : P {
func j<S : B, U.e