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1 // PR debug/59510
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2 // { dg-do compile }
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3 // { dg-options "-O2 -g --param=large-stack-frame-growth=1" }
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131
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4 // { dg-additional-options "-Wno-return-type" }
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111
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5
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6 template <typename _Iterator>
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7 struct _Iter_base
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8 {
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9 typedef _Iterator iterator_type;
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10 };
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11 template <typename _CharT>
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12 struct basic_ostream;
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13 template <typename _CharT>
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14 struct basic_ostringstream;
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15 template <typename _CharT>
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16 struct ostreambuf_iterator;
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17 typedef basic_ostringstream <char>ostringstream;
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18 template <typename _Iterator> struct _Miter_base : _Iter_base <_Iterator>
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19 {
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20 };
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21 template <typename _Iterator>
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22 typename _Miter_base <_Iterator>::iterator_type __miter_base (_Iterator);
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23 template <typename _CharT>
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24 ostreambuf_iterator <_CharT>
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25 __copy_move_a2 (ostreambuf_iterator <_CharT>);
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26 template <typename _II, typename _OI>
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27 _OI copy (_II __first, _II __last, _OI __result)
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28 {
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29 __copy_move_a2 <false> (__first, __miter_base (__last), __result);
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30 }
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31 struct ios_base {
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32 struct _Words {
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33 int *_M_pword;
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34 long _M_iword;
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35 };
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36 _Words _M_local_word[8];
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37 };
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38 template <typename _CharT>
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39 struct basic_streambuf
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40 {
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41 typedef _CharT char_type;
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42 int sputn (char_type *, int);
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43 };
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44 template <typename _CharT>
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45 struct ostreambuf_iterator
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46 {
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47 typedef basic_streambuf <_CharT> streambuf_type;
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48 typedef basic_ostream <_CharT> ostream_type;
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49 streambuf_type *_M_sbuf;
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50 bool _M_failed;
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51 ostreambuf_iterator (ostream_type __s) : _M_sbuf (__s.rdbuf ()), _M_failed () {}
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52 void _M_put (_CharT * __ws, int __len)
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53 {
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54 if (_M_failed && _M_sbuf->sputn (__ws, __len) != __len) _M_failed = true;
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55 }
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56 };
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57 template <bool, typename _CharT>
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58 void __copy_move_a2 (_CharT * __first,_CharT * __last,ostreambuf_iterator <_CharT> __result)
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59 {
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60 int __num = __last - __first;
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61 __result._M_put (__first, __num);
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62 }
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63 template <typename _CharT>
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64 struct basic_ios : ios_base
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65 {
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66 basic_streambuf <_CharT> *rdbuf ();
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67 };
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68 template <typename _CharT>
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69 struct basic_ostream : public basic_ios <_CharT>
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70 {
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71 };
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72 template <typename _CharT>
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73 struct basic_ostringstream : public basic_ostream <_CharT>
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74 {
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75 };
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76 void
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77 test01 () {
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78 char data1[] = "foo";
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79 char *beg1 = data1;
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80 ostringstream oss1;
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81 ostreambuf_iterator <char> out1 (oss1);
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82 out1 = copy (beg1, beg1, out1);
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83 }
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