libtorrent crash at const libtorrent::stat_channel& libtorrent::stat::operator[](int)

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What steps will reproduce the problem?
1. Running libtorent-daemon with latest revision of libtorrent

svn info
Path: .
Working Copy Root Path: /home/tuhin/Workspace/libtorrent-daemon/libtorrent_trunk
URL: svn://svn.code.sf.net/p/libtorrent/code/trunk
Relative URL: ^/trunk
Repository Root: svn://svn.code.sf.net/p/libtorrent/code
Repository UUID: a83610d8-ad2a-0410-a6ab-fc0612d85776
Revision: 10481
Node Kind: directory
Schedule: normal
Last Changed Author: arvidn
Last Changed Rev: 10480
Last Changed Date: 2014-11-11 14:38:47 +0530 (Tue, 11 Nov 2014)

2. When adding some torrent file libtorrent gets crashed

 ./libtorrent-daemon -w 1234
binding to "0.0.0.0"
added torrent: CentOS-6.5-x86_64-bin-DVD1to2
assertion failed. Please file a bugreport at 
http://code.google.com/p/libtorrent/issues
Please include the following information:
version: 1.1.0.0
$Rev: 10084 $
file: '../libtorrent_trunk/include/libtorrent/stat.hpp'
line: 278
function: const libtorrent::stat_channel& libtorrent::stat::operator[](int) 
const
expression: i >= 0 && i < num_channels

stack:
1: assert_fail(char const*, int, char const*, char const*, char const*, int)
2: libtorrent::stat::operator[](int) const
3: libtorrent::stats_alert::stats_alert(libtorrent::torrent_handle const&, int, 
libtorrent::stat const&)
4: libtorrent::torrent::second_tick(int, int)
5: libtorrent::aux::session_impl::on_tick(boost::system::error_code const&)
6: boost::_mfi::mf1<void, libtorrent::aux::session_impl, 
boost::system::error_code const&>::operator()(libtorrent::aux::session_impl*, 
boost::system::error_code const&) const
7: void boost::_bi::list2<boost::_bi::value<libtorrent::aux::session_impl*>, 
boost::arg<1> >::operator()<boost::_mfi::mf1<void, 
libtorrent::aux::session_impl, boost::system::error_code const&>, 
boost::_bi::list1<boost::system::error_code const&> >(boost::_bi::type<void>, 
boost::_mfi::mf1<void, libtorrent::aux::session_impl, boost::system::error_code 
const&>&, boost::_bi::list1<boost::system::error_code const&>&, int)
8: void boost::_bi::bind_t<void, boost::_mfi::mf1<void, 
libtorrent::aux::session_impl, boost::system::error_code const&>, 
boost::_bi::list2<boost::_bi::value<libtorrent::aux::session_impl*>, 
boost::arg<1> > 
>::operator()<boost::system::error_code>(boost::system::error_code const&)
9: boost::asio::detail::binder1<boost::_bi::bind_t<void, boost::_mfi::mf1<void, 
libtorrent::aux::session_impl, boost::system::error_code const&>, 
boost::_bi::list2<boost::_bi::value<libtorrent::aux::session_impl*>, 
boost::arg<1> > >, boost::system::error_code>::operator()()
10: void 
boost::asio::asio_handler_invoke<boost::asio::detail::binder1<boost::_bi::bind_t
<void, boost::_mfi::mf1<void, libtorrent::aux::session_impl, 
boost::system::error_code const&>, 
boost::_bi::list2<boost::_bi::value<libtorrent::aux::session_impl*>, 
boost::arg<1> > >, boost::system::error_code> 
>(boost::asio::detail::binder1<boost::_bi::bind_t<void, boost::_mfi::mf1<void, 
libtorrent::aux::session_impl, boost::system::error_code const&>, 
boost::_bi::list2<boost::_bi::value<libtorrent::aux::session_impl*>, 
boost::arg<1> > >, boost::system::error_code>, ...)
11: void 
boost_asio_handler_invoke_helpers::invoke<boost::asio::detail::binder1<boost::_b
i::bind_t<void, boost::_mfi::mf1<void, libtorrent::aux::session_impl, 
boost::system::error_code const&>, 
boost::_bi::list2<boost::_bi::value<libtorrent::aux::session_impl*>, 
boost::arg<1> > >, boost::system::error_code>, boost::_bi::bind_t<void, 
boost::_mfi::mf1<void, libtorrent::aux::session_impl, boost::system::error_code 
const&>, boost::_bi::list2<boost::_bi::value<libtorrent::aux::session_impl*>, 
boost::arg<1> > > >(boost::asio::detail::binder1<boost::_bi::bind_t<void, 
boost::_mfi::mf1<void, libtorrent::aux::session_impl, boost::system::error_code 
const&>, boost::_bi::list2<boost::_bi::value<libtorrent::aux::session_impl*>, 
boost::arg<1> > >, boost::system::error_code>&, boost::_bi::bind_t<void, 
boost::_mfi::mf1<void, libtorrent::aux::session_impl, boost::system::error_code 
const&>, boost::_bi::list2<boost::_bi::value<libtorrent::aux::session_impl*>, 
boost::arg<1> > >&)
12: boost::asio::detail::wait_handler<boost::_bi::bind_t<void, 
boost::_mfi::mf1<void, libtorrent::aux::session_impl, boost::system::error_code 
const&>, boost::_bi::list2<boost::_bi::value<libtorrent::aux::session_impl*>, 
boost::arg<1> > > >::do_complete(boost::asio::detail::task_io_service*, 
boost::asio::detail::task_io_service_operation*, boost::system::error_code 
const&, unsigned long)
13: 
boost::asio::detail::task_io_service_operation::complete(boost::asio::detail::ta
sk_io_service&, boost::system::error_code const&, unsigned long)
14: 
boost::asio::detail::task_io_service::do_run_one(boost::asio::detail::scoped_loc
k<boost::asio::detail::posix_mutex>&, 
boost::asio::detail::task_io_service_thread_info&, boost::system::error_code 
const&)
15: boost::asio::detail::task_io_service::run(boost::system::error_code&)
16: boost::asio::io_service::run(boost::system::error_code&)
17: libtorrent::aux::session_impl::main_thread()
18: boost::_mfi::mf0<void, 
libtorrent::aux::session_impl>::operator()(libtorrent::aux::session_impl*) const
19: void boost::_bi::list1<boost::_bi::value<libtorrent::aux::session_impl*> 
>::operator()<boost::_mfi::mf0<void, libtorrent::aux::session_impl>, 
boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, 
libtorrent::aux::session_impl>&, boost::_bi::list0&, int)
20: boost::_bi::bind_t<void, boost::_mfi::mf0<void, 
libtorrent::aux::session_impl>, 
boost::_bi::list1<boost::_bi::value<libtorrent::aux::session_impl*> > 
>::operator()()
21: boost::asio::detail::posix_thread::func<boost::_bi::bind_t<void, 
boost::_mfi::mf0<void, libtorrent::aux::session_impl>, 
boost::_bi::list1<boost::_bi::value<libtorrent::aux::session_impl*> > > >::run()
22: boost_asio_detail_posix_thread_function
23: 
24: clone

Aborted (core dumped)

Original issue reported on code.google.com by tuhin.kh...@gmail.com on 12 Nov 2014 at 5:22