[Bug libstdc++/55043] [4.7/4.8 Regression] issue with nesting unordered_map containing unique_ptr into vector

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55043

--- Comment #4 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-10-23 22:53:06 UTC ---
Unfortunately, I don't think we can simply add noexcept to the move ctor,
because it does allocate memory. Something similar happens for std::deque. In
terms of QoI I think we could do better (with a non-trivial redesign), but I
don't think it's non-conforming for the move ctor of these containers to not be
noexcept.