of Array.prototype.push and Array.prototype.pop. Avoid going 
through the arguments adaptor trampoline for call ICs that end
up calling a builtin that does not need arguments adaption.
Review URL: http://codereview.chromium.org/2884

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@312 ce2b1a6d-e550-0410-aec6-3dcde31c8c00