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// PR c++/47416
// { dg-do compile { target c++11 } }
// { dg-additional-options "-Wno-return-type" }
namespace std
{
template < typename _Tp, _Tp __v > struct integral_constant
{
static const _Tp value = __v;
};
typedef integral_constant < bool, false > false_type;
template < typename > struct is_array:false_type
{
};
template < typename > struct is_function:false_type
{
};
template < typename _Tp > struct remove_const
{
typedef _Tp type;
};
template < typename _Tp > struct remove_volatile
{
typedef _Tp type;
};
template < typename _Tp > struct remove_cv
{
typedef typename remove_const < typename remove_volatile <
_Tp >::type >::type type;
};
template < typename > struct remove_reference
{
};
template < typename _Tp > struct remove_reference <_Tp & >
{
typedef _Tp type;
};
template < typename _Up, bool = is_array < _Up >::value, bool =
is_function < _Up >::value > struct __decay_selector;
template < typename _Up > struct __decay_selector <_Up, false, false >
{
typedef typename remove_cv < _Up >::type __type;
};
template < typename _Tp > class decay
{
typedef typename remove_reference < _Tp >::type __remove_type;
public:typedef typename __decay_selector <
__remove_type >::__type type;
};
template < typename _Tp > struct __strip_reference_wrapper
{
typedef _Tp __type;
};
template < typename _Tp > struct __decay_and_strip
{
typedef typename __strip_reference_wrapper < typename decay <
_Tp >::type >::__type __type;
};
template < typename _Tp > _Tp forward (typename remove_reference <
_Tp >::type &)
{
}
template < class _T1, class _T2 > struct pair
{
_T1 first;
_T2 second;
constexpr pair (_T1, _T2 &):first (), second (__b) // { dg-error "was not declared in this scope" }
{
}
};
template < class _T1,
class _T2 > pair < typename __decay_and_strip < _T1 >::__type,
typename __decay_and_strip < _T2 >::__type > make_pair (_T1 && __x, _T2
&& __y)
{
typedef typename __decay_and_strip < _T1 >::__type __ds_type1;
typedef typename __decay_and_strip < _T2 >::__type __ds_type2;
typedef pair < __ds_type1, __ds_type2 > __pair_type;
__pair_type (forward < _T1 > (__x), std::forward < _T2 > (__y));
}
}
typedef long size_t;
namespace std
{
template < typename > class allocator;
template < class > struct char_traits;
template < typename _CharT, typename = char_traits < _CharT >, typename =
allocator < _CharT > >class basic_string;
typedef basic_string < char >string;
}
namespace __gnu_cxx
{
template < bool > class __pool;
template < template < bool > class, bool > struct __common_pool
{
};
template < template < bool > class, bool > struct __common_pool_base;
template < template < bool > class _PoolTp >
struct __common_pool_base <_PoolTp, true >:__common_pool < _PoolTp, true >
{
};
template < template < bool > class _PoolTp,
bool _Thread > struct __common_pool_policy:__common_pool_base < _PoolTp,
_Thread >
{
template < typename, template < bool > class _PoolTp1 =
_PoolTp, bool _Thread1 = _Thread > struct _M_rebind
{
typedef __common_pool_policy < _PoolTp1, _Thread1 > other;
};
};
template < typename _Tp > class __mt_alloc_base
{
};
template < typename _Tp, typename _Poolp = __common_pool_policy < __pool, true > >class __mt_alloc:public __mt_alloc_base <
_Tp
>
{
public:size_t size_type;
typedef _Tp value_type;
template < typename _Tp1, typename _Poolp1 = _Poolp > struct rebind
{
typedef typename _Poolp1::template _M_rebind < _Tp1 >::other pol_type;
typedef __mt_alloc < _Tp1, pol_type > other;
};
};
}
namespace std
{
template < typename _Tp > class allocator:public __gnu_cxx::__mt_alloc <
_Tp >
{
};
template < typename, typename > struct unary_function
{
};
template < typename, typename, typename > struct binary_function
{
};
template < typename _Tp > struct equal_to:binary_function < _Tp, _Tp, bool >
{
};
}
namespace boost
{
template < class > struct hash;
template < class K, class T, class = hash < K >, class =
std::equal_to < K >, class =
std::allocator < std::pair < const K, T > >>class unordered_map;
template < >struct hash <std::string >:std::unary_function < std::string,
size_t >
{
};
namespace unordered_detail
{
template < class Alloc, class T > struct rebind_wrap
{
typedef typename Alloc::template rebind < T >::other type;
};
}
namespace unordered_detail
{
size_t default_bucket_count;
template < class, class > struct map_extractor;
struct ungrouped
{
};
template < class T > class hash_table:T::buckets, T::buffered_functions
{
};
template < class, class, class H, class P, class A, class, class G > struct types
{
typedef H hasher;
typedef P key_equal;
typedef A value_allocator;
};
template < class T > class hash_unique_table:T
{
public:typedef typename T::hasher hasher;
typedef typename T::key_equal key_equal;
typedef typename T::value_allocator value_allocator;
typedef typename T::table table;
hash_unique_table (size_t n, hasher, key_equal,
value_allocator & a):table (n, a) // { dg-error "is not a direct base" }
{
}
};
template < class K, class H, class P, class A > struct map:types < K,
typename A::value_type, H, P, A, map_extractor < K,
typename A::value_type >, ungrouped >
{
typedef hash_unique_table < map < K, H, P, A > >impl;
typedef hash_table < map < K, H, P, A > >table;
};
}
template < class K, class T, class H, class P, class A > class unordered_map
{
typedef std::pair < const K, T > value_type;
typedef H hasher;
typedef P key_equal;
typedef A allocator_type;
typedef typename unordered_detail::rebind_wrap < allocator_type,
value_type >::type value_allocator;
typedef boost::unordered_detail::map < K, H, P, value_allocator > types;
typedef typename types::impl table;
typedef size_t size_type;
private:table table_;
public: unordered_map (size_type n = boost::unordered_detail::default_bucket_count,
hasher hf = hasher (), key_equal eql = key_equal (),
allocator_type a = allocator_type ()):table_ (n, hf, eql, a) // { dg-message "required" }
{
}
};
}
void
foo (const int &a)
{
typedef boost::unordered_map < std::string, int >Name2Port;
Name2Port b; // { dg-message "required" }
std::make_pair (a, b);
}
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