Patch to fix PR9861

[Andrew Haley]

Ian Lance Taylor writes:
 > Andrew Haley <aph@redhat.com> writes:
 > 
 > > TJ Laurenzo writes:
 > >  > >  > I would think that it will be some years before non-free OS's (I am
 > >  > >  > specifically thinking of things like the "companion cd" for
 > >  > >  > Solaris) will include GCC 4.1 (or whichever version this patch
 > >  > >  > makes its way into) anyway.
 > >  > >
 > >  > > Probably.  But what I don't want to happen is for them to include new
 > >  > > gcc and old gdb.  It's a matter of release cycles.
 > >  > 
 > >  > Is it acceptable to get the changes to cp_demangle.c into mainline
 > >  > prior to the rest?
 > > 
 > > Yes.  If Ian is happy with the new mangling scheme we should commit
 > > this straight away.
 > 
 > I'm fine with it.  You might want to double check with the C++ folks
 > to make sure they are fine with it--they probably don't care, but I
 > think it's worth asking.

OK.  Well, there's still some question about the exact form that the
demangling will take, but this is progress.

Andrew.