test/mjsunit/es6/regress/regress-594084.js

// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Flags: --lazy --min-preparse-length=0
(function() {
  function CRASH(defaultParameter =
      (function() { function functionDeclaration() { return 0; } }())) {
  }
})();