[Bug libstdc++/51558] Declaration of unspecialized std::hash<_Tp>::operator()(_Tp) turns compile-time errors into link-time errors

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51558

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011-12-15
         AssignedTo|unassigned at gcc dot       |paolo.carlini at oracle dot
                   |gnu.org                     |com
     Ever Confirmed|0                           |1

--- Comment #2 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-12-15 
01:38:11 UTC ---
For a while, back in tr1 times, we definitely had just a declaration for the
primary hash. Then at some point things changed, I can't remember in which
circumstance. If nothing breaks I think we can certainly go back to it. I'll
regtest the patchlet.