RFR(XS): 8210259: [testbug] IncompatibleOptions.java fails if VM configured without ZGC

[Lindenmaier, Goetz]

Hi Per, 

Thanks for the review!

Yes, the check could be there for the other gcs, too.
But I guess I would have to roll this out to hundreds of tests
to make it consistent.

Best regards,
  Goetz.

> -----Original Message-----
> From: Per Liden <per.liden at oracle.com>
> Sent: Freitag, 31. August 2018 14:33
> To: Lindenmaier, Goetz <goetz.lindenmaier at sap.com>; hotspot-runtime-
> dev at openjdk.java.net
> Subject: Re: RFR(XS): 8210259: [testbug] IncompatibleOptions.java fails if VM
> configured without ZGC
> 
> On 08/31/2018 01:58 PM, Lindenmaier, Goetz wrote:
> > Hi,
> >
> > could I please get reviews for this tiny fix?
> > http://cr.openjdk.java.net/~goetz/wr18/8210259-
> fixNoZGCError/webrev.01/
> >
> > The testcase enabling ZGC is protected by (Platform.isLinux() &&
> Platform.isX64()).
> > Thus, the test fails if the VM is compiled without ZGS on linuxx86_64.
> > Fix: use GC.Z.isSupported()
> 
> Looks good!
> 
> (In theory we should have this test for all other GCs too, since they
> can also be compiled out, and it would be nice if testing passed
> anyway... but let's not go there now...)
> 
> /Per