918fe04351
PR-URL: https://github.com/nodejs/node/pull/58070 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
24 lines
566 B
JavaScript
24 lines
566 B
JavaScript
// Copyright 2022 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 --maglev --no-always-turbofan
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var b = 1;
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function foo(x) {
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return b + x
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}
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%PrepareFunctionForOptimization(foo);
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assertEquals(2, foo(1));
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assertEquals(3, foo(2));
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%OptimizeMaglevOnNextCall(foo);
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assertEquals(4, foo(3));
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assertEquals(5, foo(4));
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assertTrue(isMaglevved(foo));
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// We should deopt here.
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b = 2
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assertFalse(isMaglevved(foo))
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assertEquals(7, foo(5));
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