There is a trivial merge for jdk9b178 that pick up some compiler fixes: http://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/9d032191f82f http://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/833f88cac52b http://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/f739cf1a4ab8 Any objections against doing it? Thanks, -Aleksey