Patch by Mark Mentovai: Disable dead code stripping for mksnapshot on  Mac OS to work around code generation issue; see the issue details on http://code.google.com/p/v8/issues/detail?id=404.
Patch by Mark Mentovai: Disable dead code stripping for mksnapshot on 
Mac OS to work around code generation issue; see the issue details on
http://code.google.com/p/v8/issues/detail?id=404.

Original review: http://codereview.chromium.org/155591


git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@2478 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh