Prepare push to trunk. Now working on version 3.15.9.

R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11348378

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13132 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2012-12-04: Version 3.15.8
+
+        Enforced stack allocation of TryCatch blocks.
+        (issue 2166,chromium:152389)
+
+        Fixed external exceptions in external try-catch handlers.
+        (issue 2166)
+
+        Activated incremental code flushing by default.
+
+        Performance and stability improvements on all platforms.
+
+
 2012-11-30: Version 3.15.7
 
         Activated code aging by default.

src/version.cc

@@ -34,7 +34,7 @@
 // cannot be changed without changing the SCons build script.
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     15
-#define BUILD_NUMBER      8
+#define BUILD_NUMBER      9
 #define PATCH_LEVEL       0
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)