pkg/front_end/testcases/regress/issue_30834.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.
// @dart=2.9
class A {
  set A(v) {}
}

main() {
  var a = new A();
  a.A = 5;
}