hg: ppc-aix-port/jdk7u/hotspot: Fix broken AIX build

[volker.simonis at gmail.com]

Changeset: 1d9ec232470d
Author:    simonis
Date:      2012-12-07 14:53 +0100
URL:       http://hg.openjdk.java.net/ppc-aix-port/jdk7u/hotspot/rev/1d9ec232470d

Fix broken AIX build

 - We still need to copy some of the Power7 defines from systemcfg.h into os_aix.cpp in order to build on older (i.e. 5.3) AIX releases.
 - Unfortunately, ImplicitNullChecks is a 'development' flag, so we can only adjust it in non-product builds. In the 'product' build we now just issue a warning if the settigns are incorrect.

! src/os/aix/vm/os_aix.cpp