Fix Cluster Fuzz stack frame corruption bug.

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/23596002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16358 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Eliminated manual allocation folding in BuildCloneShallowArray.

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23038003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16359 ce2b1a6d-e550-0410-aec6-3dcde31c8c00