6bd756d7c6
PR-URL: https://github.com/nodejs/node/pull/44741 Fixes: https://github.com/nodejs/node/issues/44650 Fixes: https://github.com/nodejs/node/issues/37472 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
26 lines
636 B
JavaScript
26 lines
636 B
JavaScript
// Copyright 2020 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 --turbo-dynamic-map-checks --turbofan --no-always-turbofan
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function bar(obj) {
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// Add two dummy loads to make sure obj.b is in the same slot index as obj.a
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// in foo.
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obj.y;
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obj.x;
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return obj.b
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}
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function foo(obj) {
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bar(obj);
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return obj.a;
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}
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var obj = { a: 10, b: 20};
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%PrepareFunctionForOptimization(foo);
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%EnsureFeedbackVectorForFunction(bar);
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foo(obj);
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(10, foo(obj));
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