[Bug libstdc++/59192] error: use of deleted function ‘A?=::A(const A&)=?UTF-8?Q?’

[olaf--mail.gcc at olafdietsche dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59192

--- Comment #2 from Olaf Dietsche <olaf--mail.gcc at olafdietsche dot de> ---
I don't know how hard this is. When I replace deque with vector or list, it
compiles with all versions from 4.6 to 4.8