[Bug c++/53613] Cannot override a inline "= default" virtual destructor.

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53613

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-06-08 
11:18:47 UTC ---
(In reply to comment #0)
> Workaround: define parent destructor outside the class definition.

Or add explicit 'noexcept' specifiers to the derived destructors.