25 lines
508 B
JavaScript
25 lines
508 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
|
||
|
|
|
||
|
|
function p(x) {
|
||
|
|
this.x = x;
|
||
|
|
}
|
||
|
|
|
||
|
|
function f() {
|
||
|
|
var a = new p(1), b = new p(2);
|
||
|
|
for (var i = 0; i < 1; i++) {
|
||
|
|
a.x += b.x;
|
||
|
|
}
|
||
|
|
return a.x;
|
||
|
|
}
|
||
|
|
|
||
|
|
new p(0.1); // make 'x' mutable box double field in p.
|
||
|
|
|
||
|
|
assertEquals(3, f());
|
||
|
|
assertEquals(3, f());
|
||
|
|
%OptimizeFunctionOnNextCall(f);
|
||
|
|
assertEquals(3, f());
|