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

[paolo.carlini at oracle dot com]

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

--- Comment #21 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-05-16 
09:11:06 UTC ---
Jon, I totally agree with everything you found the time to explain, thanks! In
my opinion should even be a FAQ or something!