Merged r15651 into 3.19 branch.

Don't use StoreIC_ArrayLength on frozen arrays

BUG=v8:2711,259548

R=dslomov@chromium.org

Review URL: https://chromiumcodereview.appspot.com/19664008

git-svn-id: https://v8.googlecode.com/svn/branches/3.19@15812 ce2b1a6d-e550-0410-aec6-3dcde31c8c00