[Bug c++/53067] c++0x GCC 4.7.0 Regression std::ref with unordered sets

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53067

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
   Last reconfirmed|                            |2012-04-22
         Resolution|DUPLICATE                   |
     Ever Confirmed|0                           |1

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-04-22 
13:36:19 UTC ---
It's not a dup, although it doesn't help that the testcase is bogus (should use
unordered_set not unordered_map)

#include <functional>
#include <unordered_set>

int main(int, char**){
  std::unordered_set<int> Foo;
  ref(Foo);
}