RFR (S) 8212988: add recent class unloading events to the hs_err log

[Harold Seigel]

Hi Coleen,

In src/hotspot/share/utilities/events.cpp, UnloadingEventLog::log(...), 
why do you call ik->name() instead of ik->external_name() ?

Thanks, Harold

On 2/12/2019 10:18 AM, coleen.phillimore at oracle.com wrote:
> Summary: also moved class unloading logging in expected place.
>
> Tested with assert to verify hs_err_file, some dacapo performance 
> testing, and hs tier1-6.  See bug for details.
>
> open webrev at http://cr.openjdk.java.net/~coleenp/2019/8212988.01/webrev
> bug link https://bugs.openjdk.java.net/browse/JDK-8212988
>
> Thanks,
> Coleen