Spurious destructor call, or ill-formed code?

[Jonathan Wakely]

On 27 August 2012 00:30, Sam Varshavchik wrote:
>
> "g++47 (FreeBSD Ports Collection) 4.7.0 20111203 (experimental)" invokes the
> destructor of two instances of this class twice. Sample output (highlighting
> what I've now wasted a week on):

Looks like a bug in that version, which looks to be built from a
pretty old snapshot i.e. unreleased and unfinished version.  Can't you
use a newer version?