18 lines
442 B
JavaScript
18 lines
442 B
JavaScript
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// Copyright 2023 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 foo(x) {
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return Object.is((x ? -0 : NaN) - 0, -0);
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}
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let ignition = foo(true);
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%PrepareFunctionForOptimization(foo);
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foo();
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%OptimizeFunctionOnNextCall(foo);
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let turbofan = foo(true);
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assertTrue(ignition);
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assertTrue(turbofan);
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