src/v8/test/mjsunit/regress/regress-crbug-686102.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.

// Flags: --allow-natives-syntax

var a = [];
Object.freeze(a);
function foo() {
  return a.length;
}
assertEquals(0, foo());
assertEquals(0, foo());
%OptimizeFunctionOnNextCall(foo);
assertEquals(0, foo());