v8/test/mjsunit/regress/regress-inline-constant-load.js

28 lines
545 B
JavaScript

// Copyright 2014 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 o1 = {};
var o2 = {};
function foo(x) {
return x.bar;
}
Object.defineProperty(o1, "bar", {value:200});
foo(o1);
foo(o1);
function f(b) {
var o = o2;
if (b) { return foo(o) }
}
f(false);
%OptimizeFunctionOnNextCall(f);
assertEquals(undefined, f(false));
Object.defineProperty(o2, "bar", {value: 100});
assertEquals(100, f(true));