[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

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
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  Attachment #27402|0                           |1
        is obsolete|                            |

--- Comment #10 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-05-15 
01:04:30 UTC ---
Created attachment 27406
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27406
Draft 2

This is my current best, uses std::get and std::tuple_element. Passes testing.