MIR tidying.

Fix memory leak in the MIR graph m_units_.
Don't shadow the arena_ field in Backend.

Change-Id: I0ffaebd088f1383205bde9fb34c5d33156bb7260
7 files changed
tree: 1e318fea04d927f55ec50267e36d539984016ed1
  1. build/
  2. jdwpspy/
  3. src/
  4. test/
  5. tools/
  6. .gitignore
  7. Android.mk