Revision: 21858
Author: [email protected]
Date: Mon Jun 16 13:21:42 2014 UTC
Log: Add unit test for regression in GVN caused by field type tracking.
BUG=v8:3347
LOG=n
[email protected]
Review URL: https://codereview.chromium.org/333273004
http://code.google.com/p/v8/source/detail?r=21858
Added:
/branches/bleeding_edge/test/mjsunit/regress/regress-gvn-ftt.js
=======================================
--- /dev/null
+++ /branches/bleeding_edge/test/mjsunit/regress/regress-gvn-ftt.js Mon Jun
16 13:21:42 2014 UTC
@@ -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);
--
--
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