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PR-URL: https://github.com/nodejs/node/pull/18453 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Yang Guo <yangguo@chromium.org> Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
19 lines
410 B
JavaScript
19 lines
410 B
JavaScript
// Copyright 2017 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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function f() {
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// Create a non-escaping object.
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var o = Object.create(null);
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%DeoptimizeNow();
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// Keep it alive.
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return o ? 1 : 0;
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}
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f();
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f();
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%OptimizeFunctionOnNextCall(f);
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assertEquals(1, f());
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