09a8440b45
PR-URL: https://github.com/nodejs/node/pull/51362 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
22 lines
638 B
JavaScript
22 lines
638 B
JavaScript
// 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 --turboshaft-assert-types
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const very_close_to_zero = 0.0000000000000000000001;
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const huge_number = 10**307;
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function test(b) {
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// We perform an arithmetic operation such that the typer can eliminate
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// the -0 on a.
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let a = b - very_close_to_zero;
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if(a < 0) return a / huge_number;
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return 42;
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}
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%PrepareFunctionForOptimization(test);
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test(-50);
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%OptimizeFunctionOnNextCall(test);
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assertEquals(-0, test(-very_close_to_zero));
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