I've uploaded a new mlvm build from today: http://www.concord.org/~sbannasch/mlvm/java-1.8.0-internal-mlvm-2011_10_22.tar.gz Built on Mac OS X 10.6.8. Ran these jtreg tests: jdk/test/java/lang/invoke jdk/test/java/dyn/CoroutineTest.java everything passed except: FAILED: java/lang/invoke/InvokeGenericTest.java