/*
 * Copyright (c) 2019, the Dart project authors.  Please see the AUTHORS file
 * for details. All rights reserved. Use of this source code is governed by a
 * BSD-style license that can be found in the LICENSE file.
 */
/**
 * @assertion From the Unified collection Spec:
 * A spreadElement starting with [...] is a constant element if its expression
 * is constant and it evaluates to a constant List, Set or Map instance
 * originally created by a list, set or map literal. It is a potentially
 * constant element if the expression is a potentially constant expression.
 * @description: Checks that compile error is thrown if constant list spread
 * element is not potentially constant list or set.
 * @compile-error
 * @author iarkh@unipro.ru
 */
// SharedOptions=--enable-experiment=constant-update-2018

class A {
  const A();
}

main() {
  const List aList = [...(A() is A ? 123 : [])];
}