[PATCH] AIX V5 new support

[David Edelsohn]

>>>>> Jim Wilson writes:

Jim> Granted, ia64-aix5 support hasn't been contributed yet, and the lt* files
Jim> are already broken for ia64-aix5, so we can probably go ahead with the
Jim> proposed changes and try to remember to fix them for ia64-aix5 later.

	Yes.  Given that AIX/IA-64 is not going to be ready for GCC 3.0,
it seems better to get this implemented for AIX/Power in GCC 3.0 and fix
up the AIX ambiguity in the development tree for GCC 3.1.

David