24 lines
582 B
JavaScript
24 lines
582 B
JavaScript
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// 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: --no-lazy-feedback-allocation
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var a = "hello";
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function foo(i) {
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var x = a[i];
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return x;
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}
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// Set up the KeyedLoadIC for monomorphic string load.
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foo(4);
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foo(4);
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foo(4);
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// That also handles out of bounds indexes.
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assertEquals(foo(8), undefined);
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// Add a negative indexed property (not an element, so the
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// NoElement protector will not fire).
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Object.prototype[-1] = 2;
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assertEquals(2, foo(-1));
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