[testsuite] Define TARGET_C99_FUNCTIONS/HAVE_C99_RUNTIME on IRIX 6.5

[Tom Christensen]

On 02/09/2011 04:08 PM, Rainer Orth wrote:
> I've noticed that neither TARGET_C99_FUNCTIONS nor HAVE_C99_RUNTIME are
> defined for IRIX 6.5 although that OS has full ISO C99 support since
> IRIX 6.5.18.  The following patch corrects this.
>
> Bootstrapped without regressions on mips-sgi-irix6.5 and verified that
> the dg-require-effective-target c99_runtime tests change from
> UNSUPPORTED to PASS.
>
> Installed on mainline; this patch cannot be backported to 4.4 or 4.5
> since those releases still support older IRIX 6 releases that lack the
> required support.
>
If seems to me that this effectively means IRIX < 6.5.18 is unsupported. 
If that's the case should the target specific notes not be amended 
accordingly?

-tgc