RFR: Sync up Shenandoah LSM handling with upstream

[Roman Kennke]

Yes please. I was doing this in my first merge (that failed on
whitespace) and forgot it in the one that I pushed.
Thanks for fixing!

On Thu, Feb 15, 2018 at 11:32 AM, Aleksey Shipilev <shade at redhat.com> wrote:
> http://cr.openjdk.java.net/~shade/shenandoah/lsm-args/webrev.01/
>
> This fixes TestLoopMiningArguments.java failure, and does the same CLS/LSM handling like upstream
> G1, and (hopefully) ZGC too [1]
>
> Testing: hotspot_fast_gc_shenandoah, failing test
>
> Thanks,
> -Aleksey
>
> [1] http://mail.openjdk.java.net/pipermail/zgc-dev/2017-December/000056.html
>