c/7227: [<3.2/3.3> regression]: bogus code generation with attribute mode TI

[Janis Johnson]

The warning is issued for the current (20031231) mainline
and 3.3 branch compilers for a 32-bit compiler on a
powerpc64-linux system, but not for 64-bit cross or native
compilers on the same system.  It's also not seen for
ia64-linux.

Why is the class "wrong-code" and the the synopsis "bogus
code generation" when in fact it's an incorrect warning,
not incorrect code?

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=7227