// 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

func g<d: a {
protocol a {
}
typealias C {
func b: a {
}
}
d<U -> ("cd"
"a: C(Any) -> {
class b<d: b where B == g<T>>(n: c: Int>, length: A".Element>(f(h>(b: Int = 1)
case c, e: P {
class func x(")
let h = b:
