Re: [boost] [shared_ptr] aliasing constructor mischief

From: Daniel Frey (d.frey_at_[hidden])
Date: 2008-04-29 09:26:20

On Tue, 2008-04-29 at 09:02 -0400, Frank Mori Hess wrote:
> I've noticed it is possible to construct a half-empty shared_ptr that has an 
> empty shared_count but a non-null pointer (brief example program attached).  
> Perhaps the aliasing constructor, and similarly the shared_count constructor 
> should do some argument checking?

I think this is already a known problem/feature, see n2588
<http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2008/n2588.pdf>,
20.6.12.2.1/18. I don't know what it's good for, though.

Regards, Daniel