[RFR]: [S390] Fix JFR profiling

[Langer, Christoph]

+1. Please update the copyright years when pushing.

> -----Original Message-----
> From: hotspot-dev <hotspot-dev-bounces at openjdk.java.net> On Behalf Of
> Doerr, Martin
> Sent: Dienstag, 26. März 2019 16:45
> To: Haug, Gunter <gunter.haug at sap.com>; hotspot-dev at openjdk.java.net
> Subject: RE: [RFR]: [S390] Fix JFR profiling
> 
> Hi Gunter,
> 
> looks good and trivial. I can push it tomorrow if there are no objections.
> 
> Thanks for fixing.
> Martin
> 
> 
> -----Original Message-----
> From: hotspot-dev <hotspot-dev-bounces at openjdk.java.net> On Behalf Of
> Haug, Gunter
> Sent: Dienstag, 26. März 2019 16:31
> To: hotspot-dev at openjdk.java.net
> Subject: [RFR]: [S390] Fix JFR profiling
> 
> Hi all,
> 
> can I please have reviews and a sponsor for the following tiny fix which only
> affects one s390 platform file:
> 
> https://bugs.openjdk.java.net/browse/JDK-8221479
> http://cr.openjdk.java.net/~ghaug/webrevs/8221479/
> 
> It detects addresses which are totally off and would have been dereferenced
> otherwise. This caused very rare crashes on s390.
> 
> 
> Thanks,
> Gunter
> 
>