31a3cfbc10
BUG=v8:8801 Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256 Reviewed-on: https://chromium-review.googlesource.com/c/1495555 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#60001}
25 lines
599 B
JavaScript
25 lines
599 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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%PrepareFunctionForOptimization(foo);
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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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