19 lines
455 B
JavaScript
19 lines
455 B
JavaScript
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// Copyright 2017 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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const maxLength = %StringMaxLength();
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const s = 'A'.repeat(maxLength);
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function foo(s) {
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let x = s.lastIndexOf("", maxLength);
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return x === maxLength;
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}
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assertTrue(foo(s));
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assertTrue(foo(s));
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%OptimizeFunctionOnNextCall(foo);
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assertTrue(foo(s));
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