// 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 delete_prop_strict(o) { 'use strict'; delete o.x; } let o = { x : 25, y : 42 }; %PrepareFunctionForOptimization(delete_prop_strict); delete_prop_strict(o); assertEquals({y:42}, o); o.x = 25; %OptimizeFunctionOnNextCall(delete_prop_strict); delete_prop_strict(o); assertEquals({y:42}, o); assertOptimized(delete_prop_strict);