// RUN: not --crash %target-swift-frontend %s -parse
// XFAIL: asan

// Distributed under the terms of the MIT license
// Test case submitted to project by https://github.com/practicalswift (practicalswift)
// Test case found by fuzzing

enum S: P {
func f<T>() -> T -> T {
return { -> T
}
class A {
class func a() -> String {
struct c {
static let d: String = {
eturn self.a()
}()
b {A {
}
}
func b<e>(e : e) -> c {  e
}
protoa : a {
}
func e<l {
enum e {
func p() { p
f> {
}
func f BooleanType>(b: T) {
}
f(   func b(b: X.Type) {
enum S<T> : P {
func f<T>() -> T {
}
}
protocol P {
}
func b<d-> d { class d:b class b
enum S<T> : P {
}
}
}
private class B<C> {
init(c: C) {
}
}
struct d<f : e, g: e where g.h == f.h> {
var e: Int -> Int = {
let d: Int =  { c, b in
}(f, e)