diff --git a/V8_MERGE_REVISION b/V8_MERGE_REVISION
index 6787b73..35f9ea1 100644
--- a/V8_MERGE_REVISION
+++ b/V8_MERGE_REVISION
@@ -1,2 +1,2 @@
-V8 3.9.24.24
-http://v8.googlecode.com/svn/branches/3.9@11575
+V8 3.9.24.25
+http://v8.googlecode.com/svn/branches/3.9@11584
diff --git a/src/date.js b/src/date.js
index 75edf6d..d0e24ab 100644
--- a/src/date.js
+++ b/src/date.js
@@ -516,8 +516,7 @@
   var t = LOCAL_DATE_VALUE(this);
   ms = ToNumber(ms);
   var time = MakeTime(LOCAL_HOUR(this), LOCAL_MIN(this), LOCAL_SEC(this), ms);
-  SET_LOCAL_DATE_VALUE(this, MakeDate(LOCAL_DAYS(this), time));
-  return this;
+  return SET_LOCAL_DATE_VALUE(this, MakeDate(LOCAL_DAYS(this), time));
 }
 
 
diff --git a/src/runtime.cc b/src/runtime.cc
index 77c1cd8..6a24f98 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -7582,7 +7582,7 @@
     }
   }
   date->SetValue(value, is_value_nan);
-  return *date;
+  return value;
 }
 
 
diff --git a/src/version.cc b/src/version.cc
index fa5f4c7..37c2ec2 100644
--- a/src/version.cc
+++ b/src/version.cc
@@ -35,7 +35,7 @@
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     9
 #define BUILD_NUMBER      24
-#define PATCH_LEVEL       24
+#define PATCH_LEVEL       25
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)
 #define IS_CANDIDATE_VERSION 0
diff --git a/test/mjsunit/regress/regress-2027.js b/test/mjsunit/regress/regress-2027.js
new file mode 100644
index 0000000..00ed03f
--- /dev/null
+++ b/test/mjsunit/regress/regress-2027.js
@@ -0,0 +1,48 @@
+// Copyright 2012 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.
+
+var d = new Date(2010, 1, 1);
+
+function Check(time) {
+  assertEquals(d.getTime(), time);
+}
+
+Check(d.setMilliseconds(10));
+Check(d.setSeconds(10));
+Check(d.setMinutes(10));
+Check(d.setHours(10));
+Check(d.setDate(10));
+Check(d.setMonth(10));
+Check(d.setFullYear(2010));
+Check(d.setUTCMilliseconds(10));
+Check(d.setUTCSeconds(10));
+Check(d.setUTCMinutes(10));
+Check(d.setUTCHours(10));
+Check(d.setUTCDate(10));
+Check(d.setUTCMonth(10));
+Check(d.setUTCFullYear(2010));
+