// RUN: not --crash %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

class c {
struct e = d.init() {
class B : A, x in c : Hashable> {
class a {
func a() {
class B : U : () {
class A {
})
}
}
struct S) {
}
}
class C<S : Any) -> String {
}
}
class A : A?