[Bug c++/59713] unordered_map constructor / destructor / move

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59713

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I wasn't going to change the component until we've definitely ruled out
libstdc++ ... I'll keep looking into it