// 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

extension Array {
func f<d, b {
}(Any, U)(b() {
return [""")
}
protocol b {
func b<T>(c() {
class b: A"ab""
func c<h: c(
