RFC 2 of N for removing front end hard coding from gengtype.c

[Tim Josling]

Geoff Keating wrote:
> 
> Tim Josling <tej@melbpc.org.au> writes:
> 
> > The intent of this patch is to remove the need for new front ends to patch
> > gengtype.c in several places.
> >
> > I have addressed the comments made out of version 1 of this RFC.
> ...
> 
> This patch is OK, please commit it.  Thanks!
> 
> --
> - Geoffrey Keating <geoffk@geoffk.org> <geoffk@redhat.com>

Done. I forgot to mention, bootstrapped and make check for all languages bar
Ada with no regressions on i686-pc-linux-gnu. Didn't do Ada but it doesn't
seem to need any changes.

Tim Josling