I propose to cherry pick the fix for 8156803: Turn StressLCM/StressGCM flags to diagnostic, for our JDK8u repository. One of our tests uses -XX:+StressLCM and it's failing because it's not available in release build. Ok? http://cr.openjdk.java.net/~rkennke/jdk8u-8156803/webrev.00/ Roman