// 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 // An unconditional deopt will be inserted after {o} has been created, but // before it is initialized with "arg + 1.5" and "arg + 41.5". These 2 fields // are thus initialized with the Float64 hole. If {o} is escape-analyzed away, // then the deopt state will have 2 identical HeapNumbers as input. These // shouldn't be GVNed, because they are mutable. function foo(arg) { var o = { x: arg + 1.5, y: arg + 41.5, }; return o.x + o.y; } %PrepareFunctionForOptimization(foo); assertEquals(NaN, foo()); assertEquals(NaN, foo()); %OptimizeFunctionOnNextCall(foo); assertEquals(45, foo(1));