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

[Thomas Schatzl]

Hi,

On Mon, 2019-01-07 at 14:34 +0000, Lindenmaier, Goetz wrote:
> Hi,
> 
> Similar to AllocateHeapAt this flag ist not supported on AIX. So I
> reject it at startup and disable the tests. See also
> https://bugs.openjdk.java.net/browse/JDK-8211208.
> 
> Please review.
> http://cr.openjdk.java.net/~goetz/wr19/8216271-aix_AllocateAt/01/
> 
> I want to push this to jdk12 please.

  looks good. 

Thomas