tree 95876ed8a8e51a8d726ef5513f24307b09e1ccf4
parent 293d0bbd90a735b35b4acc86391834f488d338cd
author vegorov@chromium.org <vegorov@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00> 1326300187 +0000
committer vegorov@chromium.org <vegorov@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00> 1326300187 +0000

Merge r10187, r10188 from the bleeding_edge to the 3.7 branch.

Rescan cells at the end of mark-sweep.  This means they don't need a
write barrier.
Review URL: http://codereview.chromium.org/8816021
------------------------------------------------------------------------


Remove write barriers for cells on x64, ARM and MIPS.
Review URL: http://codereview.chromium.org/8834005
------------------------------------------------------------------------
Review URL: http://codereview.chromium.org/9190007

git-svn-id: http://v8.googlecode.com/svn/branches/3.7@10392 ce2b1a6d-e550-0410-aec6-3dcde31c8c00