VS is trolling me

gistfile1.txt

#include <type_traits>
#include <iostream>
#include <array>

template<typename T>
auto func(const T& t) -> typename std::common_type<float, T>::type
{
  return 5.0f + t;
}

float func(const std::array<float,3>& t) 
{
  return 5.0f + t[0];
}


int test()
{
  std::array<float,3> c{ {1,2,3} };
  auto b = func(5);
  auto d = func(c);
  std::cout << b << std::endl;
  std::cout << d << std::endl;
}

int main()
{
	test();
	return 0;
}