Prepare push to trunk. Now working on version 3.12.13.

R=yangguo@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10779009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12090 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2012-07-16: Version 3.12.12
+
+        Added an option to the tickprocessor to specify the directory for lib
+        lookup.
+
+        Fixed ICs for slow objects with native accessor (Chromium issue 137002).
+
+        Fixed transcendental cache on ARM in optimized code (issue 2234).
+
+        New heap inspection tools: counters for object sizes and counts,
+        histograms for external fragmentation.
+
+        Incorporated constness into inferred interfaces (in preparation for
+        handling imports) (issue 1569).
+
+        Performance and stability improvements on all platforms.
+
+
 2012-07-12: Version 3.12.11
 
         Renamed "mips" arch to "mipsel" in the GYP build.

src/version.cc

@@ -34,7 +34,7 @@
 // cannot be changed without changing the SCons build script.
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     12
-#define BUILD_NUMBER      12
+#define BUILD_NUMBER      13
 #define PATCH_LEVEL       0
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)