blob: ac0c6d6884a33613986cff14b3281e3f56bd2e61 [file] [log] [blame]
// This source file is part of the Swift.org open source project
// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
// RUN: not --crash %target-swift-frontend %s -parse
// REQUIRES: asserts
// Discovered by https://github.com/airspeedswift (airspeedswift)
let s1: Set<Int>? = []
let s2: Set<Int>? = []
let s3: Set<Int>? = []
let x = s1 ?? s2 ?? s3 ?? []