Version 3.27.13 (based on bleeding_edge revision r21471)

Performance and stability improvements on all platforms.

git-svn-id: https://v8.googlecode.com/svn/trunk@21474 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Version 3.27.13.1 (merged r21484)

Revert "Customized support for feedback on calls to Array." and follow-up fixes.

BUG=chromium:377198
LOG=N
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/303503003

git-svn-id: https://v8.googlecode.com/svn/trunk@21485 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge remote-tracking branch 'upstream/trunk' into trunk