Prepare push to trunk. Now working on version 3.8.5.

R=danno@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/8952023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10313 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2012-01-02: Version 3.8.4
+
+        Performance improvements for large Smi-only arrays.
+
+        Fixed InternalArrays construction. (issue 1878)
+
+
 2011-12-27: Version 3.8.3
 
         Avoid embedding new space objects into code objects in the lithium gap

src/version.cc

@@ -34,7 +34,7 @@
 // cannot be changed without changing the SCons build script.
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     8
-#define BUILD_NUMBER      4
+#define BUILD_NUMBER      5
 #define PATCH_LEVEL       0
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)