RFR: 8278410: Improve argument processing around UseHeavyMonitors

[Roman Kennke]

On Wed, 8 Dec 2021 13:54:33 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

> JDK-8276901 improved the implementation of the UseHeavyMonitors flag, however, the argument checking for it should not use fatal() but instead report a warning or error message, and return false accordingly.
> Also for platforms where UseHeavyMonitors is not fully implemented it should not just be a warning but also cause initialization to not continue. If we are going to return false then the error message should go to the error stream not be issued as a warning().
> 
> Testing:
>  - [x] java/util/concurrent/ConcurrentHashMap/MapLoops.java
>  - [x] tier1
>  - [ ] tier2

Thanks!

-------------

PR: https://git.openjdk.java.net/jdk/pull/6765