// 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

assert() {
var e: A {
}
map()] = Swift.a<T) {
typealias d() {
struct c == D>Bool) -> {
}
}
}
}()
protocol c : d {
let f = 0) {
self] = "",")
typealias d