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PR-URL: https://github.com/nodejs/node/pull/28918 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
40 lines
895 B
JavaScript
40 lines
895 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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// Flags: --allow-natives-syntax
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(function() {
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function foo() {
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const x = 1e-1;
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return Object.is(-0, x * -1e-308);
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};
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%PrepareFunctionForOptimization(foo);
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assertFalse(foo());
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assertFalse(foo());
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%OptimizeFunctionOnNextCall(foo);
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assertFalse(foo());
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})();
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(function() {
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function foo(x) {
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return Object.is(-0, x * -1e-308);
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};
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%PrepareFunctionForOptimization(foo);
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assertFalse(foo(1e-1));
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assertFalse(foo(1e-1));
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%OptimizeFunctionOnNextCall(foo);
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assertFalse(foo(1e-1));
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})();
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(function() {
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function foo(x) {
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return Object.is(-0, x);
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};
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%PrepareFunctionForOptimization(foo);
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assertFalse(foo(1e-1 * -1e-308));
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assertFalse(foo(1e-1 * -1e-308));
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%OptimizeFunctionOnNextCall(foo);
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assertFalse(foo(1e-1 * -1e-308));
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})();
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