node/deps/v8/test/mjsunit/regress/regress-crbug-729573-1.js
Michaël Zasso e31f0a7d25
deps: update V8 to 7.7.299.4
PR-URL: https://github.com/nodejs/node/pull/28918
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
2019-08-19 09:25:23 +02:00

74 lines
1.3 KiB
JavaScript

// 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;
};
%PrepareFunctionForOptimization(foo);
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;
};
%PrepareFunctionForOptimization(foo);
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;
};
%PrepareFunctionForOptimization(foo);
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;
};
%PrepareFunctionForOptimization(foo);
foo.prototype = {
custom: 'prototype'
};
assertEquals(0, foo());
assertEquals(0, foo());
%OptimizeFunctionOnNextCall(foo);
assertEquals(0, foo());
})();