e371325bcb
It's unsound to ignore -0 inputs: -0 - INT32_MIN is outside of INT32 range. Bug: chromium:1126249 Change-Id: I3b92f16c1201705780acb0359975329aa2ca34d1 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2404452 Reviewed-by: Tobias Tebbi <tebbi@chromium.org> Commit-Queue: Georg Neis <neis@chromium.org> Cr-Commit-Position: refs/heads/master@{#69877}
23 lines
454 B
JavaScript
23 lines
454 B
JavaScript
// Copyright 2020 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(b) {
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var x = -0;
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var y = -0x80000000;
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if (b) {
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x = -1;
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y = 1;
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}
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return (x - y) == -0x80000000;
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}
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%PrepareFunctionForOptimization(foo);
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assertFalse(foo(true));
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%OptimizeFunctionOnNextCall(foo);
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assertFalse(foo(false));
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