tests/language_2/constructor/redirect_cycle_test.dart

// 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.
// Redirection constructors must not be cyclic.

// @dart = 2.9

class A {
  var x;
  A(x)
      : this(0)
      //^^^^^^^
      // [analyzer] COMPILE_TIME_ERROR.RECURSIVE_CONSTRUCTOR_REDIRECT
      // [cfe] Redirecting constructors can't be cyclic.
      ;
}

main() {
  new A(10);
}