RFR: JDK8u: Cherry-pick 8156803: Turn StressLCM/StressGCM flags to diagnostic

[Aleksey Shipilev]

On 02/28/2017 09:44 PM, Roman Kennke wrote:
> 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/

This diverges our 8u from the upstream 8u, right?

Maybe it's better to just -XX:+IgnoreUnrecognizedVMOptions for that test?

-Aleksey