Don't allow sibcalls on nested functions

[John David Anglin]

|> > This starting from gcc 3.2.  This has been reported by
|> > multiple people several times.  If someone could fix that,
|> > it'd be much appreciated.

Had the same problem on hppa-linux starting from 3.2.  However,
the error went away when I started with 3.2.3.

Dave
-- 
J. David Anglin                                  dave.anglin@nrc-cnrc.gc.ca
National Research Council of Canada              (613) 990-0752 (FAX: 952-6602)