Use exponential backoff in order to avoid getting into optimization-deoptimization cycle.

BUG=v8:2040,121196

Review URL: https://chromiumcodereview.appspot.com/10202007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11425 ce2b1a6d-e550-0410-aec6-3dcde31c8c00