1// RUN: %clang_cc1 -fsyntax-only %s
2
3// libstdc++ 4.2.x contains a bug where a friend struct template
4// declaration for std::tr1::__detail::_Map base has different
5// template arguments than the real declaration. Clang has an
6// egregious hack to work around this problem, since we can't modify
7// all of the world's libstdc++'s.
8
9namespace std { namespace tr1 { namespace __detail {
10  template<typename _Key, typename _Value, typename _Ex, bool __unique,
11	   typename _Hashtable>
12    struct _Map_base { };
13
14} } }
15
16namespace std { namespace tr1 {
17  template<typename T>
18  struct X1 {
19    template<typename _Key2, typename _Pair, typename _Hashtable>
20    friend struct __detail::_Map_base;
21  };
22
23} }
24
25std::tr1::X1<int> x1i;
26