tree 05437041ee24b89481e9c3ef0be7589fa3e25e44
parent 22839a631bb3591a1c0037c388d51a4f18b5fb5e
author Mathieu Chartier <mathieuc@google.com> 1397152615 -0700
committer Mathieu Chartier <mathieuc@google.com> 1397159328 -0700

Fix race condition in TransitionCollector.

There was a race condition where if multiple threads were calling
TransitionCollector it could cause a crash due to an invalid
collector transition if another thread did the collector transition
before the SuspendAll.

Bug: 13929101
Change-Id: I8c162a83c1f53d0cbdefab62b0a5bcbb151d6c42