[patch, testsuite] Add new check for large reals to support float128 tests in gfortran.dg

[Mike Stump]

On Feb 18, 2011, at 6:31 PM, Jerry DeLisle wrote:
> The attached patch, introduced to me by Tobias Burnus, adds a check for large real kinds.

> OK for trunk?

Ok.  I make no claim on the fortran bits, if you need a fortran review, be sure to ask a fortran person to review it.  I glanced at them, and it all seemed reasonable.