It caused a regressions in compile time in the optimizing compiler. I'm reverting until
the reason for this is identified and fixed.

TBR=whesse@chromium.org
Review URL: http://codereview.chromium.org/7453024

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8762 ce2b1a6d-e550-0410-aec6-3dcde31c8c00