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sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
24 lines
561 B
JavaScript
24 lines
561 B
JavaScript
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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var pop = Array.prototype.pop;
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function foo(a) {
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a.length;
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return pop.call(a);
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}
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var a = new Array(4);
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var o = {}
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o.__defineGetter__(0, function() { return 1; });
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assertEquals(undefined, foo(a));
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assertEquals(undefined, foo(a));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(undefined, foo(a));
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Array.prototype.__proto__ = o;
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assertEquals(1, foo(a));
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