compilation for files > 2Gb

[Joe Buck]

I wrote:
> > I agree, there are certainly more pressing problems.  However, if we
> > aren't going to support it, ideally GCC should produce a message
> > describing the problem ("File foobar.h is too large to be mapped into
> > memory" or some such) rather than just fail mysteriously.
> 
> We do:
> 
>       if (inc->st.st_size > INTTYPE_MAXIMUM (ssize_t))
> 	{
> 	  cpp_error (pfile, "%s is too large", inc->name);
> 	  goto fail;
> 	}
>       size = inc->st.st_size;
> 
> Perhaps the message could be made clearer.

That's good enough as far as I'm concerned.