Add unit test for regression in GVN caused by field type tracking.

BUG=v8:3347
LOG=n
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/333273004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21858 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
bmeurer@chromium.org 2014-06-16 13:21:42 +00:00
parent 4642c2e18c
commit 2591003da5

View File

@ -0,0 +1,27 @@
// 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 --track-field-types --use-gvn
function A(id) {
this.id = id;
}
var a1 = new A(1);
var a2 = new A(2);
var g;
function f(o, value) {
g = o.o;
o.o = value;
return o.o;
}
var obj = {o: a1};
f(obj, a1);
f(obj, a1);
%OptimizeFunctionOnNextCall(f);
assertEquals(a2.id, f(obj, a2).id);