Prepare push to trunk. Now working on version 3.20.7.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/19543002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15698 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2013-07-17: Version 3.20.6
+
+        Try to remove invalidated stubs before falling back to checking the
+        constant state (Chromium issue 260585).
+
+        Fixed gyp_v8 to work with use_system_icu=1 (issue 2475).
+
+        Fixed sloppy-mode 'const' under Harmony flag (Chromium issue 173361).
+
+        Use internal array as API function cache  (Chromium issue 260106).
+
+        Fixed possible stack overflow in range analysis
+        (Chromium issue 259452).
+
+        Performance and stability improvements on all platforms.
+
+
 2013-07-15: Version 3.20.5
 
-        Ensured that the length of frozen arrays is immutable  (issue 2711,259548)
+        Ensured that the length of frozen arrays is immutable
+        (issue 2711, Chromium issue 259548).
 
         Performance and stability improvements on all platforms.
 

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     20
-#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.)