enable-build-with-cxx bootstrap compare broken by r149964

[Jason Merrill]

On 09/14/2009 11:54 AM, Jason Merrill wrote:
> I think the way to go with this is to revert the compiler bits of
> r149964, not mess with mangle.c at all, and insert the initial * if the
> typeinfo name won't have TREE_PUBLIC set, since that's precisely the
> property we want to mirror in comparison.

Thoughts?  Another concern I have is that adding an initial * breaks 
simple demangling of type_info::name(), so I'd like to find another way 
of marking it for pointer comparison.

Jason