int returns_int()
{
  return 2;
}

const char* returns_char() {
  return "";
}

int test() {
  return 0;
}

int main(int argc, char**argv) {
  test() ? returns_int() : returns_char();

  return 0;
}

In function 'int main(int, char**)':
Line 15: error: operands to ?: have different types
compilation terminated due to -Wfatal-errors.