// Copyright 2019 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 function f1(h_also_eval) { this.x = h_also_eval; } function f2(h, h_eval) { var o = new f1(h()); // During the last call to f3 with g2 as an argument, this store is // bi-morphic, including a version that refers to the old map (before // the replacement of f1's prototype). As a result, during load elimination // we see two stores with incompatible representations: One in the // constructor, and one in the impossible branch of the bi-morphic store // site. o.x = h_eval; }; %PrepareFunctionForOptimization(f2); function f3(h) { f2(h, h()); %OptimizeFunctionOnNextCall(f2); f2(h, h()); } function g1() { return {}; }; function g2() { return 4.2; }; f3(g1); f3(g2); f3(g1); f1.prototype = {}; f3(g2);