d2bfdafe20
This fixes the bounds check for the 'in' operator to handle the negative index case properly (by using the same machinery as the potentially out-of-bounds loads/stores use). Bug: chromium:952586 Change-Id: I2225acae8be7dcedbcde745e8ef202e789085041 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1581179 Reviewed-by: Georg Neis <neis@chromium.org> Commit-Queue: Jaroslav Sevcik <jarin@chromium.org> Cr-Commit-Position: refs/heads/master@{#60978}
16 lines
331 B
JavaScript
16 lines
331 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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a = new Int8Array(1);
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function f(i) {
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return i in a;
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}
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assertTrue(f(0));
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%OptimizeFunctionOnNextCall(f);
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assertFalse(f(-1));
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