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diff --git a/deps/v8/test/mjsunit/object-tostring-builtins.js b/deps/v8/test/mjsunit/object-tostring-builtins.js
new file mode 100644
index 00000000000..8717770979a
--- /dev/null
+++ b/deps/v8/test/mjsunit/object-tostring-builtins.js
@@ -0,0 +1,50 @@
+// Copyright 2008 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.
+
+// Object.prototype.toString should return the correct values for instances of
+// various built-in classes.
+var funs = {
+  Object:   [ Object ],
+  Function: [ Function ],
+  Array:    [ Array ],
+  String:   [ String ],
+  Boolean:  [ Boolean ],
+  Number:   [ Number ],
+  Date:     [ Date ],
+  RegExp:   [ RegExp ],
+  Error:    [ Error, TypeError, RangeError, SyntaxError, ReferenceError, EvalError, URIError ]
+}
+for (f in funs) {
+  for (i in funs[f]) {
+    assertEquals("[object " + f + "]",
+                 Object.prototype.toString.call(new funs[f][i]),
+                 funs[f][i]);
+    assertEquals("[object Function]",
+                 Object.prototype.toString.call(funs[f][i]),
+                 funs[f][i]);
+  }
+}