Fix issue 806.

test/mjsunit/regress/regress-806.js

Index: test/mjsunit/regress/regress-806.js
diff --git a/test/mjsunit/regress/regress-806.js b/test/mjsunit/regress/regress-806.js
new file mode 100644
index 0000000000000000000000000000000000000000..36d9d173c94a6a013e414b03b52398291728b2bd
--- /dev/null
+++ b/test/mjsunit/regress/regress-806.js
@@ -0,0 +1,51 @@
+// Copyright 2010 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test that we do no use r12 as a receiver in inlined NamedStores.
+
+// See: http://code.google.com/p/v8/issues/detail?id=806
+
+function foo(a) {
+  for (var o = 1; o < 3; o++) {
+    for (var n = 1; n < 3; n++) {
+      for (var m = 1; m < 3; m++) {
+        for (var l = 1; l < 3; l++) {
+          for (var i = 1; i < 3; i++) {
+            for (var j = 1; j < 3; j++) {
+              for (var k = 1; k < 3; k++) {
+                var z = a.foo;
+                z.foo = i * j * k * m * n * o;
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}
+
+foo({foo: {foo: 1}});