RFR (T) 8213399: DecoderLocker is unused

[David Holmes]

LGTM!

Thanks,
David

On 1/05/2019 6:52 am, coleen.phillimore at oracle.com wrote:
> Summary: remove DecoderLocker
> 
> See bug for history and more info.   Ran mach5 tier1 and 
> runtime/ErrorHandler tests on linux and windows.
> 
> open webrev at http://cr.openjdk.java.net/~coleenp/2019/8213399.01/webrev
> bug link https://bugs.openjdk.java.net/browse/JDK-8213399
> 
> Thanks,
> Coleen