Merge revisions 7089, 7095, 7096 to trunk.

This fixes the memory leaks and chrashes due to safepoints being recorded in the wrong place. 

Review URL: http://codereview.chromium.org/6639023

git-svn-id: http://v8.googlecode.com/svn/trunk@7103 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
9 files changed