17 lines
541 B
JavaScript
17 lines
541 B
JavaScript
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// Copyright 2018 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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(function testMegamorphicWithNonSimpleTransitionHandler() {
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function spread(o) { return { ...o }; }
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// Set up transition tree
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let obj = { ...{}, a: 0, b: 1, boom: 2};
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// make CloneObjectIC MEGAMORPHIC
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spread(new Proxy({}, {}));
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// Ensure we don't crash, and create the correct object
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assertEquals({ a: 0, b: 1, c: 2 }, spread({ a: 0, b: 1, c: 2 }));
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})();
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