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1 // PR c++/34846
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2
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3 template<typename, typename> struct __are_same { enum { __value = 0 }; };
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4 template<typename _Tp> struct __are_same<_Tp, _Tp> { enum { __value = 1 }; };
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5 template<typename, bool> struct __enable_if { };
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6 template<typename _Tp> struct __enable_if<_Tp, true> { typedef _Tp __type; };
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7 template<typename _Iterator, typename _Container> class __normal_iterator {
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8 public:
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9 __normal_iterator();
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10 template<typename _Iter>
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11 __normal_iterator(
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12 const __normal_iterator<_Iter, typename __enable_if<_Container,
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13 (__are_same<_Iter, typename _Container::pointer>::__value) >::__type>& __i)
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14 { }
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15 };
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16 template<typename _Tp> class vector {
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17 public:
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18 typedef _Tp* pointer;
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19 typedef __normal_iterator<int, vector<_Tp> > iterator;
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20 };
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21 void test() {
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22 typedef int t;
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23 vector<t*>::iterator x;
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24 vector<t*>::iterator y = x;
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25 }
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