Prepare push to trunk. Now working on version 3.20.8.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/19933002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15794 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2013-07-22: Version 3.20.7
+
+        Deprecated some debugger methods.
+
+        Fixed wrong bailout id in polymorphic stores (Chromium issue 259787).
+
+        Fixed data race in SamplingCircularQueue (Chromium issue 251218).
+
+        Fixed type feedback in presence of negative lookups
+        (Chromium issue 252797).
+
+        Do not materialize context-allocated values for debug-evaluate
+        (Chromium issue 259300).
+
+        Synchronized Compare-Literal behavior in FullCodegen and Hydrogen
+        (Chromium issue 260345).
+
+        Performance and stability improvements on all platforms.
+
+
 2013-07-17: Version 3.20.6
 
         Try to remove invalidated stubs before falling back to checking the

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      7
+#define BUILD_NUMBER      8
 #define PATCH_LEVEL       0
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)