// Copyright 2021 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.
// https://bugs.chromium.org/p/v8/issues/detail?id=10816// When V8 sees a deprecated map, update the IC with its target.functionA(){this.x=1}functionB(){this.x=1}functionload(o){returno.x}%PrepareFunctionForOptimization(load);// Initialize the load IC with the map of A before we deprecate it.load(newA());constoldB=newB();(newA()).x=1.5;// deprecates map already in FV(newB()).x=1.5;// deprecates map for oldB// Should update the load IC with the target of the deprecated map.load(oldB);%OptimizeFunctionOnNextCall(load);load(oldB);assertOptimized(load);