[Bug libstdc++/53339] unordered_map::iterator requires Value to be complete type

[eltoder at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53339

--- Comment #16 from Eugene Toder <eltoder at gmail dot com> 2012-05-15 
12:30:55 UTC ---
Makes sense. I was hoping to avoid copyright assignment by having someone else
do the work :) Thank you.