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1d29d81c69
PR-URL: https://github.com/nodejs/node/pull/52293 Reviewed-By: Moshe Atlow <moshe@atlow.co.il> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Richard Lau <rlau@redhat.com>
26 lines
662 B
JavaScript
26 lines
662 B
JavaScript
// Copyright 2024 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: --const-tracking-let --allow-natives-syntax
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// Flags: --turbofan --no-always-turbofan --maglev --no-stress-maglev
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// Flags: --sparkplug --no-always-sparkplug
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let myConstant; // Uninitialized!
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function foo() {
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return myConstant;
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}
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%PrepareFunctionForOptimization(foo);
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assertEquals(undefined, foo());
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(undefined, foo());
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assertOptimized(foo);
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// Change myConstant.
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myConstant = 43;
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assertUnoptimized(foo);
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assertEquals(43, foo());
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