[boost] [smart_ptr] enable_shared_from_this / sp_accept_owner / virtual dtor

From: Daniel Frey (d.frey_at_[hidden])
Date: 2008-05-04 05:59:29

In case someone is interested: The attached enable_shared_from_this
proves that it is possible to add sp_accept_owner without forcing a
virtual dtor. It's compatible with the 1.35.0 features and overhead.

Regards, Daniel