Prepare push to trunk. Now working on version 3.21.7.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/23583010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16409 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2013-08-29: Version 3.21.6
+
+        Fixed inlined 'throw' statements interfering with live range
+        computation. (issue 2843)
+
+        Performance and stability improvements on all platforms.
+
+
 2013-08-28: Version 3.21.5
 
         Fixed compilation with recent MinGW64 versions. (issue 2300)

src/version.cc

@@ -34,7 +34,7 @@
 // system so their names cannot be changed without changing the scripts.
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     21
-#define BUILD_NUMBER      6
+#define BUILD_NUMBER      7
 #define PATCH_LEVEL       0
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)