------- Comment #4 from manish at flock dot com 2008-01-04 23:47 ------- Building the above as follows:
$ g++ -fno-rtti -Os -o testcase testcase.cpp Results in: /usr/include/c++/4.2/bits/locale_facets.tcc: In function const _Facet& std::use_facet(const std::locale&) [with _Facet = std::numpunct<char>]: /usr/include/c++/4.2/bits/locale_facets.tcc:193: instantiated from void std::__numpunct_cache<_CharT>::_M_cache(const std::locale&) [with _CharT = char] /usr/include/c++/4.2/bits/locale_facets.tcc:146: instantiated from const std::__numpunct_cache<_CharT>* std::__use_cache<std::__numpunct_cache<_CharT> >::operator()(const std::locale&) const [with _CharT = char] /usr/include/c++/4.2/bits/locale_facets.tcc:985: instantiated from _OutIter std::num_put<_CharT, _OutIter>::_M_insert_int(_OutIter, std::ios_base&, _CharT, _ValueT) const [with _ValueT = long int, _CharT = char, _OutIter = std::ostreambuf_iterator<char, std::char_traits<char> >] /usr/include/c++/4.2/bits/locale_facets.tcc:1255: instantiated from _OutIter std::num_put<_CharT, _OutIter>::do_put(_OutIter, std::ios_base&, _CharT, long int) const [with _CharT = char, _OutIter = std::ostreambuf_iterator<char, std::char_traits<char> >] /usr/include/c++/4.2/bits/locale_facets.h:2345: instantiated from _OutIter std::num_put<_CharT, _OutIter>::put(_OutIter, std::ios_base&, _CharT, long int) const [with _CharT = char, _OutIter = std::ostreambuf_iterator<char, std::char_traits<char> >] /usr/include/c++/4.2/bits/ostream.tcc:78: instantiated from std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::_M_insert(_ValueT) [with _ValueT = long int, _CharT = char, _Traits = std::char_traits<char>] /usr/include/c++/4.2/bits/ostream.tcc:112: instantiated from std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(int) [with _CharT = char, _Traits = std::char_traits<char>] testcase.cpp:6: instantiated from here /usr/include/c++/4.2/bits/locale_facets.tcc:118: error: dynamic_cast not permitted with -fno-rtti -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34680
