// 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.
function foo(a, i) {
var o = [0.5,,1];
a[i] = o[i];
}
var a1 = [0.1,0.1];
foo(a1, 0);
foo(a1, 1);
assertEquals(undefined, a1[1]);