RFR(S): 8216271: Make AllocateOldGenAt an unsupported option on AIX.

[Aleksey Shipilev]

On 1/8/19 9:41 AM, Lindenmaier, Goetz wrote:
> Unfortunately, after my change to arguments.cpp, 
> TestAllocateOldGenAtError.java started to fail because of 
> a different error message. I exclude this, too, now.
> http://cr.openjdk.java.net/~goetz/wr19/8216271-aix_AllocateAt/02/

Still good.

-Aleksey