Fix build (solve OBJECT_PRINT dependency)

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/373003004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22269 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Reland "Precisely sweep scan on scavenge pages and use heap iterator to iterate over them."

BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/377863003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22270 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Use hydrogenized KeyedLoadGeneric stub for generic named loads too (with --compiled-keyed-generic-loads).

R=danno@chromium.org

Review URL: https://codereview.chromium.org/371463003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22271 ce2b1a6d-e550-0410-aec6-3dcde31c8c00