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#include <iostream>
#include <type_traits>
#include <map>
 
template<int C>
struct Test
{
	auto blah() const
	-> typename std::enable_if
	<
		C == 1,
		bool
	>::type
	{
		return false;
	}
};
 
int main()
{
	std::map<int, Test<0>> meh;
}
 

prog.cpp: In instantiation of ‘struct Test<0>’:
/usr/include/c++/4.8/bits/stl_pair.h:102:11:   required from ‘struct std::pair<const int, Test<0> >’
/usr/include/c++/4.8/bits/stl_tree.h:134:12:   required from ‘struct std::_Rb_tree_node<std::pair<const int, Test<0> > >’
/usr/include/c++/4.8/bits/stl_tree.h:1125:25:   required from ‘void std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_erase(std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Link_type) [with _Key = int; _Val = std::pair<const int, Test<0> >; _KeyOfValue = std::_Select1st<std::pair<const int, Test<0> > >; _Compare = std::less<int>; _Alloc = std::allocator<std::pair<const int, Test<0> > >; std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Link_type = std::_Rb_tree_node<std::pair<const int, Test<0> > >*]’
/usr/include/c++/4.8/bits/stl_tree.h:671:28:   required from ‘std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::~_Rb_tree() [with _Key = int; _Val = std::pair<const int, Test<0> >; _KeyOfValue = std::_Select1st<std::pair<const int, Test<0> > >; _Compare = std::less<int>; _Alloc = std::allocator<std::pair<const int, Test<0> > >]’
/usr/include/c++/4.8/bits/stl_map.h:96:11:   required from here
prog.cpp:8:7: error: no type named ‘type’ in ‘struct std::enable_if<false, bool>’
  auto blah() const
       ^

Standard output is empty