mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
2.3 KiB
60 lines
2.3 KiB
12 years ago
|
// Copyright 2012 the V8 project authors. All rights reserved.
|
||
|
|
// Redistribution and use in source and binary forms, with or without
|
||
|
|
// modification, are permitted provided that the following conditions are
|
||
|
|
// met:
|
||
|
|
//
|
||
|
|
// * Redistributions of source code must retain the above copyright
|
||
|
|
// notice, this list of conditions and the following disclaimer.
|
||
|
|
// * Redistributions in binary form must reproduce the above
|
||
|
|
// copyright notice, this list of conditions and the following
|
||
|
|
// disclaimer in the documentation and/or other materials provided
|
||
|
|
// with the distribution.
|
||
|
|
// * Neither the name of Google Inc. nor the names of its
|
||
|
|
// contributors may be used to endorse or promote products derived
|
||
|
|
// from this software without specific prior written permission.
|
||
|
|
//
|
||
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
|
||
|
|
// Flags: --allow-natives-syntax --inline-accessors
|
||
|
|
|
||
|
|
var forceDeopt = {x:0};
|
||
|
|
|
||
|
|
var objectWithGetterProperty = (function (value) {
|
||
|
|
var obj = {};
|
||
|
|
Object.defineProperty(obj, "getterProperty", {
|
||
|
|
get: function foo() {
|
||
|
|
forceDeopt.x;
|
||
|
|
return value;
|
||
|
|
},
|
||
|
|
});
|
||
|
|
return obj;
|
||
|
|
})("bad");
|
||
|
|
|
||
|
|
function test() {
|
||
|
|
var iAmContextAllocated = "good";
|
||
|
|
objectWithGetterProperty.getterProperty;
|
||
|
|
return iAmContextAllocated;
|
||
|
|
|
||
|
|
// Make sure that the local variable is context allocated.
|
||
|
|
function unused() { iAmContextAllocated; }
|
||
|
|
}
|
||
|
|
|
||
|
|
assertEquals("good", test());
|
||
|
|
assertEquals("good", test());
|
||
|
|
%OptimizeFunctionOnNextCall(test);
|
||
|
|
assertEquals("good", test());
|
||
|
|
|
||
|
|
// At this point, foo should have been inlined into test. Let's deopt...
|
||
|
|
delete forceDeopt.x;
|
||
|
|
assertEquals("good", test());
|