pkg/front_end/testcases/rasta/malformed_const_constructor.dart

// Copyright (c) 2016, 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.md file.
// @dart=2.9
class A {
  const A()
    : x = 'foo'
    : x = 'foo'
    ;
}

main() {
  const A();
  new A();
}