tree 596823fddcbf7abfd4eca91859affff29697475e
parent b496bba178d324e6abdd786add05281d74341848
author Zoe Liu <zoeliu@google.com> 1495662240 -0700
committer Zoe Liu <zoeliu@google.com> 1495726431 +0000

Add a new experiment of var_refs

This coding tool is targeted to check redundant references available
to each frame at the frame level, and then try to save bits to avoid
coding redundant reference information at the block level.

Change-Id: I320178a9fe0cd806960318ac59659808675e5176