Bugfix in hydrogen GVN.

test/mjsunit/regress/regress-467481.js

Index: test/mjsunit/regress/regress-467481.js
diff --git a/test/mjsunit/regress/regress-467481.js b/test/mjsunit/regress/regress-467481.js
new file mode 100644
index 0000000000000000000000000000000000000000..84eed1cc67a06dabdab62225ea36bcfcfbce88f6
--- /dev/null
+++ b/test/mjsunit/regress/regress-467481.js
@@ -0,0 +1,24 @@
+// Copyright 2015 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 f(a1, a2) {
+ for (var i = 0; i < 100; i++) {

[Jakob Kummerow, 2015/03/16 13:15:44]

nit: we don't even need this loop, do we?

+  var v7 = a2[0];
+  var v8 = a1[0];
+  a2[0] = 0.3;
+ }
+}
+v6 = new Array(1);
+v6[0] = "tagged";
+f(v6, [1]);
+v5 = new Array(1);
+v5[0] = 0.1;
+f(v5, v5);
+v5 = new Array(10);
+f(v5, v5);
+%OptimizeFunctionOnNextCall(f);
+f(v5, v5);
+v5[0];