On Wed, Apr 18, 2012 at 1:28 PM, Daniel James <dnljms@gmail.com> wrote:
On 18 April 2012 12:16, Olaf van der Spek <ml@vdspek.org> wrote:
On Wed, Apr 18, 2012 at 12:00 PM, Mathias Gaunard
olaf@testing:~$ g++-4.7 -c -Wall demo.cpp
Gcc suppresses warnings for headers installed to certain directories. Try running the test with a local boost checkout.
Ah, thanks! $ g++-4.7 -c -Wall demo.cpp -Wdelete-non-virtual-dtor -I t/boost-trunk In file included from demo.cpp:1:0: t/boost-trunk/boost/checked_delete.hpp: In instantiation of ‘void boost::checked_delete(T*) [with T = boost::error_info<boost::tag_original_exception_type, const std::type_info*>]’: t/boost-trunk/boost/smart_ptr/detail/shared_count.hpp:95:13: required from ‘boost::detail::shared_count::shared_count(Y*) [with Y = boost::error_info<boost::tag_original_exception_type, const std::type_info*>]’ t/boost-trunk/boost/smart_ptr/shared_ptr.hpp:177:50: required from ‘boost::shared_ptr<T>::shared_ptr(Y*) [with Y = boost::error_info<boost::tag_original_exception_type, const std::type_info*>; T = boost::error_info<boost::tag_original_exception_type, const std::type_info*>]’ t/boost-trunk/boost/exception/info.hpp:171:69: required from ‘const E& boost::exception_detail::set_info(const E&, const boost::error_info<Tag, T>&) [with E = boost::unknown_exception; Tag = boost::tag_original_exception_type; T = const std::type_info*]’ t/boost-trunk/boost/exception/info.hpp:192:46: required from ‘typename boost::enable_if<boost::exception_detail::derives_boost_exception<E>, const E&>::type boost::operator<<(const E&, const boost::error_info<Tag, T>&) [with E = boost::unknown_exception; Tag = boost::tag_original_exception_type; T = const std::type_info*; typename boost::enable_if<boost::exception_detail::derives_boost_exception<E>, const E&>::type = const boost::unknown_exception&]’ t/boost-trunk/boost/exception/detail/exception_ptr.hpp:182:13: required from ‘void boost::unknown_exception::add_original_type(const E&) [with E = std::exception]’ t/boost-trunk/boost/exception/detail/exception_ptr.hpp:161:32: required from here t/boost-trunk/boost/checked_delete.hpp:34:5: warning: deleting object of polymorphic class type ‘boost::error_info<boost::tag_original_exception_type, const std::type_info*>’ which has non-virtual destructor might cause undefined behaviour [-Wdelete-non-virtual-dtor] -- Olaf