[PATCH]: Change base access representation, [c++]share virtual binfos

[Neil Booth]

Nathan Sidwell wrote:-

> Neil Booth [and others] wrote:
> 
> >This must speed up the C++ compiler, no?
> 
> it did not seem to speed up a bootstrap by any statistically signficant
> amount (on my sample size of 1). I suspect that we do just about as
> much binfo walking as before.
> 
> I'm sure we can reduce the binfo walking :)

Well, the only place C++ appears in a bootstrap is the testsuite so
that's not really a good way to measure it.

Neil.