v8/test/mjsunit/regress/regress-crbug-757199.js

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/// Copyright 2017 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
var obj1 = {};
var obj2 = {};
function h() {}
h.prototype = obj2;
function g(v) {
v.constructor;
}
function f() {
g(obj1);
}
obj1.x = 0;
f();
obj1.__defineGetter__("x", function() {});
g(obj2);
obj2.y = 0;
%OptimizeFunctionOnNextCall(f);
f();