// PR debug/59510 // { dg-do compile } // { dg-options "-O2 -g --param=large-stack-frame-growth=1 -Wno-return-type" } template <typename _Iterator> struct _Iter_base { typedef _Iterator iterator_type; }; template <typename _CharT> struct basic_ostream; template <typename _CharT> struct basic_ostringstream; template <typename _CharT> struct ostreambuf_iterator; typedef basic_ostringstream <char>ostringstream; template <typename _Iterator> struct _Miter_base : _Iter_base <_Iterator> { }; template <typename _Iterator> typename _Miter_base <_Iterator>::iterator_type __miter_base (_Iterator); template <typename _CharT> ostreambuf_iterator <_CharT> __copy_move_a2 (ostreambuf_iterator <_CharT>); template <typename _II, typename _OI> _OI copy (_II __first, _II __last, _OI __result) { __copy_move_a2 <false> (__first, __miter_base (__last), __result); } struct ios_base { struct _Words { int *_M_pword; long _M_iword; }; _Words _M_local_word[8]; }; template <typename _CharT> struct basic_streambuf { typedef _CharT char_type; int sputn (char_type *, int); }; template <typename _CharT> struct ostreambuf_iterator { typedef basic_streambuf <_CharT> streambuf_type; typedef basic_ostream <_CharT> ostream_type; streambuf_type *_M_sbuf; bool _M_failed; ostreambuf_iterator (ostream_type __s) : _M_sbuf (__s.rdbuf ()), _M_failed () {} void _M_put (_CharT * __ws, int __len) { if (_M_failed && _M_sbuf->sputn (__ws, __len) != __len) _M_failed = true; } }; template <bool, typename _CharT> void __copy_move_a2 (_CharT * __first,_CharT * __last,ostreambuf_iterator <_CharT> __result) { int __num = __last - __first; __result._M_put (__first, __num); } template <typename _CharT> struct basic_ios : ios_base { basic_streambuf <_CharT> *rdbuf (); }; template <typename _CharT> struct basic_ostream : public basic_ios <_CharT> { }; template <typename _CharT> struct basic_ostringstream : public basic_ostream <_CharT> { }; void test01 () { char data1[] = "foo"; char *beg1 = data1; ostringstream oss1; ostreambuf_iterator <char> out1 (oss1); out1 = copy (beg1, beg1, out1); }