Merged r12731 into trunk branch.

Fixed VERIFY_HEAP without DEBUG.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/11140023

git-svn-id: http://v8.googlecode.com/svn/trunk@12732 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2 files changed