v8/test/mjsunit/regress/regress-crbug-729573-1.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
(function() {
function foo() {
var a = foo.bind(this);
%DeoptimizeNow();
if (!a) return a;
return 0;
}
assertEquals(0, foo());
assertEquals(0, foo());
%OptimizeFunctionOnNextCall(foo);
assertEquals(0, foo());
})();
(function() {
"use strict";
function foo() {
var a = foo.bind(this);
%DeoptimizeNow();
if (!a) return a;
return 0;
}
assertEquals(0, foo());
assertEquals(0, foo());
%OptimizeFunctionOnNextCall(foo);
assertEquals(0, foo());
})();
(function() {
function foo() {
var a = foo.bind(this);
%DeoptimizeNow();
if (!a) return a;
return 0;
}
foo.prototype = {custom: "prototype"};
assertEquals(0, foo());
assertEquals(0, foo());
%OptimizeFunctionOnNextCall(foo);
assertEquals(0, foo());
})();
(function() {
"use strict";
function foo() {
var a = foo.bind(this);
%DeoptimizeNow();
if (!a) return a;
return 0;
}
foo.prototype = {custom: "prototype"};
assertEquals(0, foo());
assertEquals(0, foo());
%OptimizeFunctionOnNextCall(foo);
assertEquals(0, foo());
})();