53c1525df2
Extend the flag parameter with a bit that decides if the input should be converted (-0 to 0, and a string to the array index it represents). Instruct redundancy elimination to never replace x with CheckBounds(x) when this CheckBounds is of the converting kind. Bug: chromium:1070892, chromium:1071743 Change-Id: I3125a6e267d56dae6bf6cb2f5f52d27ef65d7c79 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2157365 Commit-Queue: Georg Neis <neis@chromium.org> Reviewed-by: Tobias Tebbi <tebbi@chromium.org> Reviewed-by: Nico Hartmann <nicohartmann@chromium.org> Cr-Commit-Position: refs/heads/master@{#67408}
18 lines
516 B
JavaScript
18 lines
516 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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var v = {0: 0, 1: 1, '01': 7};
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function foo(index) {
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return [v[index], v[index + 1], index + 1];
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};
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%PrepareFunctionForOptimization(foo);
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assertEquals(foo(0), [0, 1, 1]);
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assertEquals(foo(0), [0, 1, 1]);
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(foo(0), [0, 1, 1]);
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assertEquals(foo('0'), [0, 7, '01']);
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