18 lines
695 B
JavaScript
18 lines
695 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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// Runtime_ObjectCloneIC_Slow() source argument must be a HeapObject handle,
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// because undefined/null are allowed.
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function spread(o) { return { ...o }; }
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// Transition to MEGAMORPHIC
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assertEquals({}, spread(new function C1() {}));
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assertEquals({}, spread(new function C2() {}));
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assertEquals({}, spread(new function C3() {}));
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assertEquals({}, spread(new function C4() {}));
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assertEquals({}, spread(new function C5() {}));
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// Trigger Runtime_ObjectCloneIC_Slow() with a non-JSReceiver.
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assertEquals({}, spread(undefined));
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