Add a macro for sizing anonymous or locally defined arrays.
Add a macro for sizing anonymous or locally defined arrays.

Change-Id: If7f7c7fb7b45d9f07a729aad978b26ffd88222d6

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst