19 lines
596 B
JavaScript
19 lines
596 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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// Flags: --expose-gc
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function spread(o) { return { ...o }; }
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(function setupPolymorphicFeedback() {
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function C1() { this.p0 = 1; }
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function C2() { this.p1 = 2; this.p2 = 3; }
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assertEquals({ p0: 1 }, spread(new C1));
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assertEquals({ p1: 2, p2: 3 }, spread(new C2));
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})();
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gc(); // Clobber cached map in feedback[0], and check that we don't crash
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function C3() { this.p0 = 3; }
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assertEquals({ p0: 3 }, spread(new C3));
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