Merged r13193, r13195 into trunk branch.

Fix for when array bounds check elimination tries to modify a phi index.

Clear optimized code map during incremental marking.

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/11529014

git-svn-id: http://v8.googlecode.com/svn/trunk@13196 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
7 files changed