// Copyright 2024 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 --turbolev --turbofan function dematerialized_simple_object(n) { let o = { x : 42, y : n }; if (n < 0) { // We won't execute this code when collecting feedback, which means that // Maglev will do an unconditional deopt here (and {o} will thus have no // use besides the frame state for this deopt). n + 5; return o; } return n + 2; } %PrepareFunctionForOptimization(dematerialized_simple_object); assertEquals(7, dematerialized_simple_object(5)); assertEquals(7, dematerialized_simple_object(5)); %OptimizeFunctionOnNextCall(dematerialized_simple_object); assertEquals(7, dematerialized_simple_object(5)); assertEquals({ x : 42, y : -1 }, dematerialized_simple_object(-1));