[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 #6 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-10-23 
23:14:17 UTC ---

I suppose the logic could be the same of move_if_noexcept? In any case, I guess

we have to handle such unlikely circumstances, somebody could well instantiate

with such kind of user-defined types...