[Patch,committed] Ensure that gfortran.dg/achar_2.f90 can fail

[Steve Kargl]

On Thu, Oct 31, 2019 at 09:30:26PM +0200, Janne Blomqvist wrote:
> 
> I'd personally prefer the current behavior. I.e. just let the
> underlying OS/libc handle it as it sees fit. No need to invent our own
> semantics here. Tobias quoted the relevant part of the standard, which
> the current implementation fulfills just fine.
> 

I'm fine with that.  I suppose someone should
document how gfortran communicates an exit 
status to an invoking shell handle; especially
when the stop codes exceeds 255.

-- 
Steve