RFR (S): Ensure BitMaps clearing is done with memset

[Roman Kennke]

Am Dienstag, den 31.01.2017, 20:00 +0100 schrieb Aleksey Shipilev:
> On 01/31/2017 07:57 PM, Aleksey Shipilev wrote:
> > Not the least reason for this is that we are using per-word
> > cleanup, while we
> > should instead use memset. BitMap provides the methods for that,
> > with _large
> > suffixes. This patch ensures it:
> 
> D'oh. Here it is:
>  http://cr.openjdk.java.net/~shade/shenandoah/bitmaps-
> memset/webrev.01/

Very good! Do it!

Roman