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