[Bug c++/58130] [C++11] Compilation fails using "const decltype(...)& getter() const {...}"

[vittorio.romeo at outlook dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58130

--- Comment #1 from Vittorio Romeo <vittorio.romeo at outlook dot com> ---
Isn't 

    decltype(items)

equivalent to

   std::vector<std::unique_ptr<ItemBase>>

?