[Bug libstdc++/54351] ~unique_ptr() should not set __p to null

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54351

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-08-22 
19:28:15 UTC ---
(In reply to comment #5)
> Don't forget the array specialization.

I won't :-)

> Doesn't the first line of your new destructor shadow the __p member with a __p
> local variable? Why is that line needed at all?

There is no __p member.