Option to keep barriers on constant oops in compiled code

[Roman Kennke]

Great!

Just in time when I started experiments with removing code-cache-
scanning in GC pauses :-)

Please commit!

Roman

Am Freitag, den 08.07.2016, 11:02 +0200 schrieb Roland Westrelin:
> http://cr.openjdk.java.net/~roland/shenandoah-barrier-on-const/webrev
> .00/
> 
> This adds a command line option to keep barriers on const oops in the
> compiled code and should not get in the way of existing
> optimizations.
> 
> Roland.
>