test262-automation 7298a38552 [v8-test262-automation] Updated curation log with latest revision sha's from export and changed files.
sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
2018-09-14 12:32:18 -04:00

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JavaScript

// Copyright 2014 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
Array.prototype[1] = "element 1";
function test(a) {
a.shift();
return a;
}
assertEquals(["element 1",{}], test([0,,{}]));
assertEquals(["element 1",10], test([9,,10]));
%OptimizeFunctionOnNextCall(test);
assertEquals(["element 1",10], test([9,,10]));