f651409fee
Bug: chromium:843543 Change-Id: I709c4be330e7d45e597b3ca4ae9db8a960b07bbc Reviewed-on: https://chromium-review.googlesource.com/1061463 Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Commit-Queue: Sigurd Schneider <sigurds@chromium.org> Cr-Commit-Position: refs/heads/master@{#53216}
18 lines
417 B
JavaScript
18 lines
417 B
JavaScript
// Copyright 2018 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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//
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// Flags: --allow-natives-syntax
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const o = {x:9};
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o.__proto__ = Array.prototype;
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function foo(o) {
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return o.indexOf(undefined);
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}
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assertEquals(-1, foo(o));
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assertEquals(-1, foo(o));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(-1, foo(o));
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