native cc re-used after 3-stage now

[Robert Lipe]

Kaveh R. Ghazi wrote:

> PS: Robert, is the cpp relink problem solved for you too?

I see that this morning's (6/11) three-stage built for the first time
since 5/31.  On 6/10 it failed becuase of the problem that inspired this
thread.  So while I don't know precisely which patch cured it, something
committed this weekend cured it.

Thanx to whomever cleaned this up.

RJL