1// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
2// expected-no-diagnostics
3
4template <class _Tp, class _Up, bool = false>
5struct __allocator_traits_rebind
6{
7};
8
9template <template <class, class...> class _Alloc, class _Tp, class ..._Args,
10class _Up>
11struct __allocator_traits_rebind<_Alloc<_Tp, _Args...>, _Up, false>
12{
13   typedef _Alloc<_Up, _Args...> type;
14};
15
16template <class Alloc>
17struct allocator_traits
18{
19   template <class T> using rebind_alloc = typename __allocator_traits_rebind<Alloc, T>::type;
20   template <class T> using rebind_traits = allocator_traits<rebind_alloc<T>>;
21};
22
23template <class T>
24struct allocator {};
25
26int main()
27{
28   allocator_traits<allocator<char>>::rebind_alloc<int> a;
29}
30