Version 3.29.50 (based on bleeding_edge revision r23756)

Allocate a new empty number dictionary when resetting elements (Chromium issue 410332).

Performance and stability improvements on all platforms.

git-svn-id: http://v8.googlecode.com/svn/trunk@23758 ce2b1a6d-e550-0410-aec6-3dcde31c8c00