Special handle for mul/div minus one when kAllUsesTruncatingToInt32

BUG=
R=verwaest@chromium.org

Review URL: https://chromiumcodereview.appspot.com/24521002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16943 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Internalize names before using them in slow-mode objects.

R=yangguo@chromium.org

Review URL: https://chromiumcodereview.appspot.com/24566005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16944 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Add trace output when recompilation queues are flushed.

R=mvstanton@chromium.org
BUG=

Review URL: https://codereview.chromium.org/24466003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16945 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Allocate optimizing compiler thread only when necessary.

R=ulan@chromium.org
BUG=

Review URL: https://codereview.chromium.org/24568003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16946 ce2b1a6d-e550-0410-aec6-3dcde31c8c00