1 // RUN: not %clang_cc1 -fsyntax-only %s 2>&1 | FileCheck %s
2 
3 // <rdar://problem/9221993>
4 
5 // We only care to check whether the compiler crashes; the actual
6 // diagnostics are uninteresting.
7 // CHECK: 8 errors generated.
8 template<class _CharT>     struct char_traits;
9 template<typename _CharT, typename _Traits = char_traits<_CharT> >     class basic_ios;
10 template<typename _CharT, typename _Traits = char_traits<_CharT> >     class ostreambuf_iterator;
11 template<typename _CharT, typename _InIter = istreambuf_iterator<_CharT> >     class num_get;
12 template<typename _CharT, typename _Traits>     class basic_ostream : virtual public basic_ios<_CharT, _Traits>     {
_M_extract_float(_InIter __beg,_InIter __end,ios_base & __io,ios_base::iostate & __err,string & __xtrc) const13   template<typename _CharT, typename _InIter>     _InIter     num_get<_CharT, _InIter>::     _M_extract_float(_InIter __beg, _InIter __end, ios_base& __io,        ios_base::iostate& __err, string& __xtrc) const     {
14     const bool __plus = __c == __lit[__num_base::_S_iplus];
15     if ((__plus || __c == __lit[__num_base::_S_iminus])        && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)        && !(__c == __lc->_M_decimal_point))      {
16