50 lines
1.0 KiB
JavaScript
50 lines
1.0 KiB
JavaScript
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// Copyright 2021 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(a) {
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var y = 1;
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var z = 0;
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if (a) {
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y = -1;
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z = -0;
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}
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return z + (0 * y);
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}
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assertEquals(-0, foo(true));
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%PrepareFunctionForOptimization(foo);
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assertEquals(0, foo(false));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(-0, foo(true));
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})();
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(function() {
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function foo(a) {
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var x = a ? -0 : 0;
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return x + (x % 1);
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}
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assertEquals(-0, foo(true));
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%PrepareFunctionForOptimization(foo);
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assertEquals(0, foo(false));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(-0, foo(true));
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})();
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(function() {
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function foo(a) {
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var x = a ? -0 : 0;
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return x + (x % -1);
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}
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assertEquals(-0, foo(true));
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%PrepareFunctionForOptimization(foo);
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assertEquals(0, foo(false));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(-0, foo(true));
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})();
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