Version 3.30.33.3 (merged r25124)

X87:  [turbofan] Add AllocateHeapNumberStub to avoid runtime call.

R=jkummerow@chromium.org
BUG=

Review URL: https://codereview.chromium.org/713063003

git-svn-id: https://v8.googlecode.com/svn/branches/3.30@25256 ce2b1a6d-e550-0410-aec6-3dcde31c8c00