forked from LeenkxTeam/Kmake
38 lines
1.1 KiB
JavaScript
38 lines
1.1 KiB
JavaScript
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// 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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function A(c) {
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if (c) {
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%DeoptimizeFunction(create_deopt);
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}
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this.x = 'abc';
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}
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%NeverOptimizeFunction(A);
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function create_deopt(c) {
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let x = {'a': 42, c}; // Creating an object before the Construct call so
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// that the frame state has more interesting data.
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let y = new A(c);
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return [x, y];
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}
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%PrepareFunctionForOptimization(create_deopt);
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create_deopt(false);
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let o1 = create_deopt(false);
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%OptimizeFunctionOnNextCall(create_deopt);
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let o2 = create_deopt(false);
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assertEquals(o1, o2);
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assertOptimized(create_deopt);
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// Triggering deopt during the construction
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let o3 = create_deopt(true);
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assertUnoptimized(create_deopt);
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o1[0].c = true; // Fixing {o1} for the comparison, since {o3} was created with
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// `true` as input to `create_deopt`.
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assertEquals(o1, o3);
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