Merged r11800 into trunk branch.

Fix performance regression caused by r11202.

R=erik.corry@gmail.com
BUG=v8:2156,v8:2034
TEST=mjsunit/regress/regress-2156,mjsunit/regress/regress-2034

Review URL: https://chromiumcodereview.appspot.com/10536171

git-svn-id: http://v8.googlecode.com/svn/trunk@11819 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
4 files changed