RFR: Trivial enhancement to avoid costly deletion array element

[Roman Kennke]

Am 16.08.2018 um 22:36 schrieb Zhengyu Gu:
> Trivial enhancement to avoid deletion array element, which may need
> costly shifting tailing elements.
> 
> Webrev: http://cr.openjdk.java.net/~zgu/shenandoah/replace_nm/webrev.00/
> 
> 
> Test:
> 
>   tier3_gc_shenandoah (fastdebug + release)
> 
> Thanks,
> 
> -Zhengyu

Looks good to me. Thanks!

Roman