swift-mirror/validation-test/compiler_crashers/1781-swift-optional-std-pair-swift-api-notes-contextid.swift

// 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

import Foundation
class A {
class A {
case C()(c) -> Bool {
}
func c<S : a {
}
var f = { c, AnyObject, 3] as String)
}
struct c<T -> {
struct X<Int) {
enum A {
}
extension NSSet {
func a<T>() {
protocol A : B, A {
}
}
}
protocol d {
}
extension NSData {
func g<d: SequenceType> {
let start = f<T>(n: T> Self {
let h : NSObject {
}
}
}
}
}
}
func a(c