src/third_party/v8/test/mjsunit/regress/regress-706234.js

// Copyright 2017 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.

var fn = ({foo = {} = {}}) => { return foo; }
if (true) {
  fn({});
}