RFR (T) 8229894: SEGV during class loading in InstanceKlass::print_class_load_logging

[coleen.phillimore at oracle.com]

This is actually a fix for the trivial change:

8233386: Initialize NULL fields for unused decorations

Thanks,
Coleen

On 11/1/19 9:01 AM, coleen.phillimore at oracle.com wrote:
> Summary: NULL initialize decorations that are not used to make crash 
> easier to understand next time.
>
> This doesn't fix the bug (I can't find or reproduce it), but might be 
> helpful for debugging if it happens again.
>
> Tested with tier1 all Oracle platforms, and tier2,3 linux-x64-debug.
>
> open webrev at http://cr.openjdk.java.net/~coleenp/2019/8229894.01/webrev
> bug link https://bugs.openjdk.java.net/browse/JDK-8229894
>
> Thanks,
> Coleen