[patch, libfortran] PR 34670 - intrinsics bounds checking (partial)

[Thomas Koenig]

On Mon, 2008-01-07 at 20:48 +0100, I wrote:

> the attached patch, plus test cases, implements bounds checking
> in quite a few array intrinsics. 

I forget: regression-tested on i686-pc-linux-gnu.  OK for trunk?

	Thomas