tree d56f481a1444e34d7ad34bb9fd6fad839b20af9f
parent 18457f487316b2ed2dd584f3e1f07e939e18aef5
author Mathieu Chartier <mathieuc@google.com> 1493237785 -0700
committer Mathieu Chartier <mathieuc@google.com> 1493247822 -0700

Use stack allocated context for VisitRoots

Prevents allocation of contexts for threads that do not throw
exceptions.

Saves up to 544 per thread on arm64.

Bug: 36457259

Test: mm test-art-host on with N6P target (build covers arm32, arm64)
Change-Id: I782a1115d624edcc1279fa2317d026408dfa8a10