[fortran,patch] Fix some string length issues

[Steve Kargl]

On Sat, Jun 12, 2010 at 12:02:19AM +0200, FX wrote:
> >From ancient times, string lengths were assumed to be integers of kind value 4. At some point, we tried to remove that assumption, created a specific type in the library (which happens to be GFC_INTEGER_4, but could be changed) and created gfc_charlen_type_node and gfc_charlen_int_kind (which is defined to be 4, of course).
> 
> However, the transition was not complete, and assumptions still lay around in some places. The library seems OK, but the front-end has many issues with this. The way I try is simply to regtest on a build where I redefine character length to be of kind 8. Right now, this hurts.
> 
> These are the first things I noticed, which I submit separately for they are pretty obvious.
> Bootstrapped and regtested on x86_64-linux. OK to commit?
> 

Yes.

BTW, welcome back.

-- 
Steve