[cpp-threads] Issue 1369 --- thread safety of std::rethrow_exception

[N.M. Maclaren]

On Nov 16 2010, Anthony Williams wrote:
>
>In order to clone exceptions you need two things: the size of the object 
>to clone (so you can allocate space for the new one), and the ability to 
>call the copy constructor so you can actually do the copy.

You also need the constraint that all exceptions HAVE a copy constructor,
with the usual semantics.  I don't see that in the existing standard.

Regards,
Nick Maclaren.