// Copyright 2022 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Flags: --allow-natives-syntax --maglev --no-always-turbofan function foo(x) { const { a, b, ...rest } = {a:1, b:1, c:1, d:1}; return rest } %PrepareFunctionForOptimization(foo); assertEquals({c:1, d:1}, foo()); assertEquals({c:1, d:1}, foo()); %OptimizeMaglevOnNextCall(foo); assertEquals({c:1, d:1}, foo()); assertTrue(isMaglevved(foo));