tree 3b7cd46ed7c7bab95dc258a29883297738138f6c
parent 2f5904383a7b7ffb741c8839ec3c60762860bad3
author Calin Juravle <calin@google.com> 1426696288 +0000
committer Calin Juravle <calin@google.com> 1427291423 +0000

Share dex register maps between stack maps when possible.

If two stack maps have the same dex register map then one of them will
reference the register map from the other instead of owning an
independent copy.

This saves around 1.5% of space.

Change-Id: Ic2c2c81210c6c45a5c5f650f7ba82a46ff6f45e4