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// 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
Object.defineProperty(Array.prototype, "1", {
get: function() { return "element 1"; },
set: function(value) { }
});
function test(array) {
array.shift();
return array;
}
%PrepareFunctionForOptimization(test);
var result = test(["0",,2]);
assertEquals(["element 1","element 1"], result);
assertTrue(result.hasOwnProperty("0"));
assertFalse(result.hasOwnProperty("1"));
result = test([{},,{}]);
assertEquals(["element 1","element 1"], result);
assertTrue(result.hasOwnProperty("0"));
assertFalse(result.hasOwnProperty("1"));
%OptimizeFunctionOnNextCall(test);
result = test([{},,0]);
assertEquals(["element 1","element 1"], result);
assertTrue(result.hasOwnProperty("0"));
assertFalse(result.hasOwnProperty("1"));
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