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// Copyright 2016 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
// Dictionary object in the prototype chain.
(function() {
function A() {
this.z = "a";
}
var a = new A();
function B() {
this.b = "b";
}
B.prototype = a;
var b = new B();
// Ensure b stays slow.
for (var i = 0; i < 1200; i++) {
b["b"+i] = 0;
}
assertFalse(%HasFastProperties(b));
function C() {
this.c = "c";
}
C.prototype = b;
var c = new C();
function f(expected) {
assertFalse(%HasFastProperties(b));
var result = c.z;
assertEquals(expected, result);
}
%PrepareFunctionForOptimization(f);
f("a");
f("a");
f("a");
%OptimizeFunctionOnNextCall(f);
f("a");
a.z = "z";
f("z");
f("z");
f("z");
b.z = "bz";
f("bz");
f("bz");
f("bz");
})();
// Global object in the prototype chain.
(function() {
var global = this;
function A() {
this.z = "a";
}
A.prototype = global.__proto__;
var a = new A();
global.__proto__ = a;
function C() {
this.c = "c";
}
C.prototype = global;
var c = new C();
function f(expected) {
var result = c.z;
assertEquals(expected, result);
}
%PrepareFunctionForOptimization(f);
f("a");
f("a");
f("a");
%OptimizeFunctionOnNextCall(f);
f("a");
a.z = "z";
f("z");
f("z");
f("z");
global.z = "bz";
f("bz");
f("bz");
f("bz");
})();
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