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// Origin: PR c++/42797
// { dg-options "-g -O2 -std=c++0x" }
template<typename _Tp, _Tp __v> struct integral_constant {
static const _Tp value = __v;
};
template<typename _Tp> _Tp declval();
template<typename _Tp, typename... _Args>
class __is_constructible_helper {
};
template<typename _Tp, typename _Arg>
class __is_constructible_helper<_Tp, _Arg> {
template<typename _Tp1, typename _Arg1>
static decltype(static_cast<_Tp1>(declval<_Arg1>()), char()) __test(int);
public:
static const bool __value = sizeof(__test<_Tp, _Arg>(0)) == 1;
};
template<typename _Tp, typename... _Args>
struct is_constructible : public integral_constant<bool,__is_constructible_helper<_Tp, _Args...>::__value> { };
template<bool, typename _Tp = void>
struct enable_if { };
template<typename _Tp>
struct enable_if<true, _Tp> {
typedef _Tp type;
};
template<class _T1, class _T2> struct pair {
_T1 first;
_T2 second;
template<class _U2, class = typename enable_if<is_constructible<_T2, _U2&&>::value>::type>
pair(const _T1& __x, _U2&& __y) : first(__x),
second(__y) { }
};
namespace __gnu_cxx {
template<typename _Tp>
class new_allocator {
public:
new_allocator() throw() { }
new_allocator(const new_allocator&) throw() { }
};
}
template<typename _Tp>
class allocator: public __gnu_cxx::new_allocator<_Tp> {
public:
template<typename _Tp1>
struct rebind {
typedef allocator<_Tp1> other;
};
};
template<typename _Tp, typename _Alloc> struct _Vector_base {
typedef typename _Alloc::template rebind<_Tp>::other _Tp_alloc_type;
struct _Vector_impl : public _Tp_alloc_type {
_Vector_impl()
{ }
};
public:
_Vector_impl _M_impl;
};
template<typename _Tp, typename _Alloc = allocator<_Tp> >
class vector : protected _Vector_base<_Tp, _Alloc> {
typedef _Alloc allocator_type;
public:
vector() { }
explicit vector(int, const allocator_type& __a = allocator_type())
{
}
};
template <typename _Key, typename _Tp>
class map {
typedef _Key key_type;
typedef _Tp mapped_type;
typedef pair<const _Key, _Tp> value_type;
public:
void insert(const value_type& __x)
{
}
mapped_type& operator[](const key_type& __k) {
insert(value_type(__k, mapped_type()));
}
};
struct Foo {
Foo() {} template<typename Tp> Foo(Tp *p) {} };
void foo() {
map <int, vector<Foo>> the_map;
the_map[1] = vector<Foo>();
}
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