Version 3.28.23 (based on bleeding_edge revision r22385)

Fix error message about read-only symbol properties (issue 3441).

Include symbol properties in Object.{create,defineProperties} (issue 3440).

Performance and stability improvements on all platforms.

git-svn-id: https://v8.googlecode.com/svn/trunk@22388 ce2b1a6d-e550-0410-aec6-3dcde31c8c00