tests/language_2/regress/regress22780_test.dart

// Copyright (c) 2015, 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.

// @dart = 2.9

main() {
  f() => "Oh, the joy of ${f()}"; print(f()); //# 01: runtime error
}