46 lines
919 B
JavaScript
46 lines
919 B
JavaScript
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// Copyright 2023 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 --no-lazy-feedback-allocation
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// Ensure the clone ic correctly deals with representation change and map
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// deprecation.
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function Input(a, b) {
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this.a = a;
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this.b = b;
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}
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var input = new Input(1,1);
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var input = new Input(1,1);
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var exp = 2;
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function ObjectSpread() {
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const result = { ...input, a: input.a };
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if (Object.values(result).reduce((a, b) => a + b) != exp) throw 666;
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return result
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}
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// Warmup
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ObjectSpread()
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ObjectSpread()
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ObjectSpread()
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ObjectSpread()
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// Representation change
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input = new Input(1,null);
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var exp = 1;
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ObjectSpread()
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ObjectSpread()
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ObjectSpread()
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ObjectSpread()
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// Map deprecation
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input = new Input(1,1.4);
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exp = 2.4;
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ObjectSpread()
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ObjectSpread()
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ObjectSpread()
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ObjectSpread()
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