[Bug libstdc++/56627] class hash instead of struct hash

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56627

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> 2013-03-15 21:17:15 UTC ---
(In reply to comment #2)
> (In reply to comment #1)rd. 
> However, as at least one of the most popular compilers (clang 3.2 RELEASE with
> -Wall) issues a warning for this. Thus, it might be worthwhile fixing.

And it only issues it because it tries to be compatible with MS's compiler.
  I think this is broken to issue a warning at all and rather see clang fixed
and/or ignored in this case.