Reviewers: Igor Sheludko, Sven Panne,
Message:
PTAL
Description:
Add unit test for regression in GVN caused by field type tracking.
BUG=v8:3347
LOG=n
Please review this at https://codereview.chromium.org/333273004/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files (+27, -0 lines):
A test/mjsunit/regress/regress-gvn-ftt.js
Index: test/mjsunit/regress/regress-gvn-ftt.js
diff --git a/test/mjsunit/regress/regress-gvn-ftt.js
b/test/mjsunit/regress/regress-gvn-ftt.js
new file mode 100644
index
0000000000000000000000000000000000000000..d2cb44381d5f63932b0c3a5e04a84355abf20f27
--- /dev/null
+++ b/test/mjsunit/regress/regress-gvn-ftt.js
@@ -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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