MIPS: Allocation Info Tracking, continued.

Port r13790 (0a70a3af)

Original commit message:
Addresses missing cases for array literals.
Adds support for "new Array()" call sites. This isn't complete yet, I have to run with --noinline_new.

BUG=

Review URL: https://codereview.chromium.org/12507006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@13836 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
MIPS: A debug code assert needed to be behind the new optimize_constructed_arrays flag.

Port r13791 (fe11ffe7)

BUG=

Review URL: https://codereview.chromium.org/12512002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@13837 ce2b1a6d-e550-0410-aec6-3dcde31c8c00