[patch, fortran] fixes for the EXIT intrinsic function (PR30933)

[Thomas Koenig]

On Sat, Feb 24, 2007 at 01:29:36PM +0100, Tobias Burnus wrote:

> In any case which of the following option should we choose for those
> non-time critical functions which call C library functions?

Those are mostly non-standard intrinsics, which we support (with
some pain) out of a desire to remain compatible with g77.

For these, we could reject everything that g77 rejects (which
means to reject non-default integer types with an explicit
error message).

	Thomas