42b90afe69
The current NumberEqual check ignores -0 when it is stored to a constant unboxed double field containing 0. Bug: v8:9113 Change-Id: I7eb59ca8af09ab7317da3c6ce9c9cedad81f6cae Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1561317 Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Commit-Queue: Jaroslav Sevcik <jarin@chromium.org> Cr-Commit-Position: refs/heads/master@{#60771}
21 lines
408 B
JavaScript
21 lines
408 B
JavaScript
// Copyright 2019 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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let dummy = { x : 0.1 };
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let o = { x : 0 };
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function f(o, v) {
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o.x = v;
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}
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f(o, 0);
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f(o, 0);
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assertEquals(Infinity, 1 / o.x);
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%OptimizeFunctionOnNextCall(f);
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f(o, -0);
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assertEquals(-Infinity, 1 / o.x);
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