3.26.31.3
Skip write barriers when updating the weak hash table. BUG=359401,378206 LOG=N R=svenpanne@chromium.org Review URL: https://codereview.chromium.org/329063002 git-svn-id: https://v8.googlecode.com/svn/branches/3.26@21757 ce2b1a6d-e550-0410-aec6-3dcde31c8c00