H-BuildIncrement should make use of available type feedback

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/22611009

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16353 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
remove old style callbacks

R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23513004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16354 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Filler sizes have to be Smis, fix x64 breakage.

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/23577002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16355 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Convert FastNewClosureStub into hydrogen.

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/22562002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16356 ce2b1a6d-e550-0410-aec6-3dcde31c8c00