Viewing file:  alias-decl-49.C (1.22 KB) -rw-r--r--
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// PR c++/66647
// { dg-do compile { target c++11 } }
template <typename _Tp> struct A
{
static constexpr _Tp value = 1;
};
template <typename> class B
{
public:
template <typename> struct rebind
{
};
};
template <typename _Alloc, typename _Tp> class C
{
template <typename _Alloc2, typename _Tp2>
static A<int> _S_chk (typename _Alloc2::template rebind<_Tp2> *);
public:
using __type = decltype (_S_chk<_Alloc, _Tp> (0));
};
template <typename _Alloc, typename _Tp, int = C<_Alloc, _Tp>::__type::value>
struct D;
template <typename _Alloc, typename _Tp> struct D<_Alloc, _Tp, 1>
{
typedef typename _Alloc::template rebind<_Tp> __type;
};
template <typename _Alloc> struct F
{
template <typename _Tp> using rebind_alloc = typename D<_Alloc, _Tp>::__type;
};
template <typename _Alloc> struct __alloc_traits
{
template <typename> struct rebind
{
typedef typename F<_Alloc>::template rebind_alloc<int> other;
};
};
template <typename _Alloc> struct G
{
typename __alloc_traits<_Alloc>::template rebind<int>::other _Tp_alloc_type;
};
template <typename _Tp, typename _Alloc = B<_Tp> > class vector : G<_Alloc>
{
};
template <int> using tfuncptr = void();
template <int d> struct H
{
vector<tfuncptr<d> > funcs;
};
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