Merge BuildLoad/StoreMonomorphic

R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/137263021

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@19108 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge named part of BuildLoad and BuildStore

BUG=
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/149803007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@19109 ce2b1a6d-e550-0410-aec6-3dcde31c8c00