Version 2.1.2.7

Revert changes in 2.1.2.5 and 2.1.2.6 and merge r4061.

BUG=http://code.google.com/p/v8/issues/detail?id=636
TEST=test/mjsunit/regress/regress-636.js
Review URL: http://codereview.chromium.org/795003

git-svn-id: http://v8.googlecode.com/svn/trunk@4073 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
8 files changed