Merge "Improve debugging in art/compiler/optimizing/common_arm64.h." am: 7e168f6
am: 21cf5b6

* commit '21cf5b6ee7873ceddd8e455944fa1761e5ad7ec6':
  Improve debugging in art/compiler/optimizing/common_arm64.h.

Change-Id: I9bdc76afbdf1ef53a6b16b7c0a31c57e4be27cc2