node/deps/v8/test/mjsunit/regress/regress-crbug-686427.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

function f(a, base) {
  a[base + 4] = 23;
  return a;
}
var i = 1073741824;
assertEquals(23, f({}, 1)[1 + 4]);
assertEquals(23, f([], 2)[2 + 4]);
%OptimizeFunctionOnNextCall(f);
assertEquals(23, f({}, i)[i + 4]);