tree eef73cc00cd45cc16ddcd856f9bc84d0c8edb4e1
parent f913ff3f7e37c1b2c7f2fb96120c2b5b25d962a7
author Mathieu Chartier <mathieuc@google.com> 1422325819 -0800
committer Mathieu Chartier <mathieuc@google.com> 1422494171 -0800

Clean up pass driver

Added pass manager to hold the state which used to be in global
variables.

Static variables caused issues with Runtime.exit since they are
destroyed by the global destructors while threads are still
executing.

Bug: 17950037
Change-Id: Ie0e4546dc9e48909c8df996a5c135be682d50044