881b89240c
If index > JSObject::kMaxElementIndex, we have to perform a prototype chain lookup for a named property. The corresponding check was missing for string receivers. Fixed: chromium:1265043 Change-Id: Ibccd058a4bd108eeee235762bea0bc4163aaa0b3 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3257704 Auto-Submit: Jakob Kummerow <jkummerow@chromium.org> Commit-Queue: Igor Sheludko <ishell@chromium.org> Reviewed-by: Igor Sheludko <ishell@chromium.org> Cr-Commit-Position: refs/heads/main@{#77683}
20 lines
581 B
JavaScript
20 lines
581 B
JavaScript
// 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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val = "hello";
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function foo(i) {
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return val[i];
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}
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assertEquals(undefined, foo(8));
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Object.prototype[4294967295] = "boom";
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assertEquals("boom", foo(4294967295));
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%PrepareFunctionForOptimization(foo);
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assertEquals(undefined, foo(8));
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assertEquals("boom", foo(4294967295));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(undefined, foo(8));
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assertEquals("boom", foo(4294967295));
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