Unreviewed patch

[Eric Botcazou]

> OK, thanks.  In that case the patch is correct, because the case x == y
> (hence, both +Inf's or -Inf's) has been tested.

Right, as well the NaNs cases.

> Eric, please commit - thanks.

Thanks, installed.

The testsuite is now clean on SPARC/Solaris (all versions, 32-bit and 64-bit) 
as well as on SPARC/Linux, except the infamous forall_3.f90.  Thanks to all 
the Fortran hackers!

-- 
Eric Botcazou