Building GCC 4.6.x on Mac OS X

[Jonathan Wakely]

On 30 October 2011 19:25, Mihai Moldovan wrote:
> As the first paste in http://trac.macports.org/ticket/27237#comment:14
> suggests (extracted from new_allocator.h:98), __p should be permitted to
> be a null pointer.. which... well, is clearly not the case here for some
> reason.

Calling delete on a null pointer is permitted, but passing a null
pointer to that allocator's deallocate function is not.  Which is it?