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>
27 lines
679 B
JavaScript
27 lines
679 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: --allow-natives-syntax --turbolev --turbofan
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// Flags: --no-always-turbofan
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glo4 = 4;
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function write_glo4(x) { glo4 = x }
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%PrepareFunctionForOptimization(write_glo4);
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write_glo4(4);
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assertEquals(4, glo4);
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// At this point, glo4 has cell type Constant.
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%OptimizeFunctionOnNextCall(write_glo4);
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write_glo4(4);
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assertEquals(4, glo4);
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assertOptimized(write_glo4);
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// Deopting when calling the function with an input that isn't 4.
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write_glo4(6);
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assertEquals(6, glo4);
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assertUnoptimized(write_glo4);
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