http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53584
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |INVALID --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-06-05 20:43:39 UTC --- This behaviour is required by C++11. A move assignment operator will not be implicitly declared for a class with a user-declared destructor. You can fix it by explicitly defaulting the move assignment operator: UniqVec& operator=(UniqVec&&) = default;