Merge r5192 (Re-apply support for ES5's propertyname production)

TBR=lrn@chromium.org
Review URL: http://codereview.chromium.org/3061056

git-svn-id: http://v8.googlecode.com/svn/trunk@5193 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
7 files changed