// Copyright (c) 2011, 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 A constant expression is an expression whose value can never
/// change, and that can be evaluated entirely at compile time.
/// A constant expression is one of the following:
/// . . .
/// • An expression of the form e.length where e is a constant expression that
///   evaluates to a string value.
/// @description Checks that an expression of the form e.length cannot be used
/// to initialize a constant variable if e isn't constant expression.
/// @Issue #24940
/// @author ngl@unipro.ru

const Object o = "ab" + "cd";
const l = o.toString().length;
//        ^
// [analyzer] unspecified
// [cfe] unspecified

main() {
  print(l);
}