// Copyright 2015 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: --use-osr --allow-natives-syntax

for (var j = 0; j < 3; j++) {
  var sum = 0;
  for (var i = 0; i < 1000; i++) {
    if (i == 100) %OptimizeOsr();
    var x = i + 2;
    var y = x + 5;
    var z = y + 3;
    sum += z;
  }
  assertEquals(509500, sum);
}

assertEquals(509500, sum);
