Hi, I am renaming ConcurrentMarkThread to G1ConcurrentMarkThread. Bug: https://bugs.openjdk.java.net/browse/JDK-8200371 Webrev: http://cr.openjdk.java.net/~lkorinth/8200371/00/index.html Testing: - building with and without precompiled headers - hs-tier1, hs-tier2 Thanks, Leo