This error just occurred when I compile HOOMD-BLUE which could be compiled normally using gcc 4.9.1 /usr/include/boost/signals2/detail/signal_template.hpp: In instantiation of 'void boost::signals2::detail::signal1_impl<R, T1, Combiner, Group, GroupCompare, SlotFunction, ExtendedSlotFunction, Mutex>::force_cleanup_connections(const connection_list_type*) const [with R = std::bitset<32ul>; T1 = unsigned int; Combiner = comm_flags_bitwise_or; Group = int; GroupCompare = std::less<int>; SlotFunction = boost::function<std::bitset<32ul>(unsigned int)>; ExtendedSlotFunction = boost::function<std::bitset<32ul>(const boost::signals2::connection&, unsigned int)>; Mutex = boost::signals2::mutex; boost::signals2::detail::signal1_impl<R, T1, Combiner, Group, GroupCompare, SlotFunction, ExtendedSlotFunction, Mutex>::connection_list_type = boost::signals2::detail::grouped_list<int, std::less<int>, boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot1<std::bitset<32ul>, unsigned int, boost::function<std::bitset<32ul>(unsigned int)> >, boost::signals2::mutex> > >; typename boost::signals2::detail::group_key<Group>::type = std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int>
]': /usr/include/boost/signals2/detail/signal_template.hpp:420:15: required from 'boost::signals2::detail::signal1_impl<R, T1, Combiner, Group, GroupCompare, SlotFunction, ExtendedSlotFunction, Mutex>::invocation_janitor::~invocation_janitor() [with R = std::bitset<32ul>; T1 = unsigned int; Combiner = comm_flags_bitwise_or; Group = int; GroupCompare = std::less<int>; SlotFunction = boost::function<std::bitset<32ul>(unsigned int)>; ExtendedSlotFunction = boost::function<std::bitset<32ul>(const boost::signals2::connection&, unsigned int)>; Mutex = boost::signals2::mutex]' /usr/include/boost/signals2/detail/signal_template.hpp:240:85: required from 'boost::signals2::detail::signal1_impl<R, T1, Combiner, Group, GroupCompare, SlotFunction, ExtendedSlotFunction, Mutex>::result_type boost::signals2::detail::signal1_impl<R, T1, Combiner, Group, GroupCompare, SlotFunction, ExtendedSlotFunction, Mutex>::operator()(T1) [with R = std::bitset<32ul>; T1 = unsigned int; Combiner = comm_flags_bitwise_or; Group = int; GroupCompare = std::less<int>; SlotFunction = boost::function<std::bitset<32ul>(unsigned int)>; ExtendedSlotFunction = boost::function<std::bitset<32ul>(const boost::signals2::connection&, unsigned int)>; Mutex = boost::signals2::mutex; boost::signals2::detail::signal1_impl<R, T1, Combiner, Group, GroupCompare, SlotFunction, ExtendedSlotFunction, Mutex>::result_type = std::bitset<32ul>]' /usr/include/boost/signals2/detail/signal_template.hpp:718:17: required from 'boost::signals2::signal1<R, T1, Combiner, Group, GroupCompare, SlotFunction, ExtendedSlotFunction, Mutex>::result_type boost::signals2::signal1<R, T1, Combiner, Group, GroupCompare, SlotFunction, ExtendedSlotFunction, Mutex>::operator()(T1) [with R = std::bitset<32ul>; T1 = unsigned int; Combiner = comm_flags_bitwise_or; Group = int; GroupCompare = std::less<int>; SlotFunction = boost::function<std::bitset<32ul>(unsigned int)>; ExtendedSlotFunction = boost::function<std::bitset<32ul>(const boost::signals2::connection&, unsigned int)>; Mutex = boost::signals2::mutex; boost::signals2::signal1<R, T1, Combiner, Group, GroupCompare, SlotFunction, ExtendedSlotFunction, Mutex>::result_type = std::bitset<32ul>]' /home/shirui/hoomd-blue/src/hoomd-blue/libhoomd/communication/Communicator.cc:1023:41: required from here /usr/include/boost/signals2/detail/signal_template.hpp:502:9: internal compiler error: Segmentation fault } ^ Please submit a full bug report, with preprocessed source if appropriate. See <https://bugs.archlinux.org/> for instructions.