Can someone help me with this code:

#include <type_traits>

#include <vector>

struct nonsense { };

template <struct nonsense const* ptr, typename R>
typename std::enable_if<!std::is_void<R>::value, int>::type
fo(void* const)
{
  return 0;
}

template <struct nonsense const* ptr, typename R>
typename std::enable_if<std::is_void<R>::value, int>::type
fo(void* const)
{
  return 1;
}

typedef int (*func_type)(void*);

template <std::size_t O>
void run_me()
{
  static struct nonsense data;

  typedef std::pair<char const* const, func_type> pair_type;

  std::vector<pair_type> v;

  v.push_back(pair_type{ "a", fo<&data, int> });
  v.push_back(pair_type{ "b", fo<&data, void> });
}

int main(int, char*[])
{
  run_me<2>();

  return 0;
}

clang-3.3 does not compile this code, but g++-4.8.1 does, which of the two compiler is right? Is something wrong with the code, as I suspect?

The error reads:

a.cpp:32:15: error: no matching constructor for initialization of 'pair_type' (aka 'pair<const char *const, func_type>')
  v.push_back(pair_type{ "a", fo<&data, int> });
              ^        ~~~~~~~~~~~~~~~~~~~~~~~
a.cpp:33:15: error: no matching constructor for initialization of 'pair_type' (aka 'pair<const char *const, func_type>')
  v.push_back(pair_type{ "b", fo<&data, void> });
              ^        ~~~~~~~~~~~~~~~~~~~~~~~~