[Bug libstdc++/32254] New: std::runtime_error thrown by locale("")

[thanate at asu dot edu]

The following code compiles and run find using my system's
g++-4.1.3 but when compiled with g++-4.2.1 from SVN,
I get

terminate called after throwing an instance of 'std::runtime_error'
  what():  locale::facet::_S_create_c_locale name not valid
Aborted

//-----------------
#include <clocale>
#include <sstream>

int main ()
{
  std::wostringstream os;
  os.imbue(std::locale(""));
  return 0;
}
//-----------------


-- 
           Summary: std::runtime_error thrown by locale("")
           Product: gcc
           Version: 4.2.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: thanate at asu dot edu
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32254