GCC dejagnu testsuite: how to check for non-zero exit code?

[François-Xavier Coudert]

> Janis was working on this.  See the following:
>
> http://gcc.gnu.org/ml/fortran/2006-06/msg00119.html
>
> I do not think it has been checked in yet.  But it would be very useful.

Indeed. I prepared a few tests within this framework and it works just
fine. I'll check them in as soon as the framework is in place.

Janis, do you intend to commit your patch, or has a problem arisen?

FX