// Copyright 2018 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 foo(trigger) {
  return Object.is((trigger ? -0 : 0) - 0, -0);
}

assertFalse(foo(false));
%OptimizeFunctionOnNextCall(foo);
assertTrue(foo(true));