pkg/front_end/testcases/regress/issue_33452.dart

// Copyright (c) 2018, 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.

class ExistingClass {}

main() {
  var x = new ExistingClass.nonExistingConstructor();
  x = new NonExistingClass();
}