(gdb) bt
#0  0x00007f2187ae3235 in raise () from /lib/libc.so.6
#1  0x00007f2187ae4753 in abort () from /lib/libc.so.6
#2  0x00007f2188367cf4 in __gnu_cxx::__verbose_terminate_handler () from /usr/lib/gcc/x86_64-pc-linux-gnu/4.3.1/libstdc++.so.6
#3  0x00007f2188366106 in ?? () from /usr/lib/gcc/x86_64-pc-linux-gnu/4.3.1/libstdc++.so.6
#4  0x00007f2188366133 in std::terminate () from /usr/lib/gcc/x86_64-pc-linux-gnu/4.3.1/libstdc++.so.6
#5  0x00007f2188366146 in ?? () from /usr/lib/gcc/x86_64-pc-linux-gnu/4.3.1/libstdc++.so.6
#6  0x00007f2188365ad8 in __cxa_call_unexpected () from /usr/lib/gcc/x86_64-pc-linux-gnu/4.3.1/libstdc++.so.6
#7  0x000000000043abbb in MetadataCache::readCategory (this=0x256b750, vec=@0x38b6770) at cache/metadata/metadata.cc:100
#8  0x0000000000425395 in update (outputfile=0x2554e98 "/var/cache/eix", cache_table=@0x7fff909d6780, portage_settings=@0x7fff909d65a0, will_modify=true, exclude_labels=@0x7fff909d67a0) at update-eix.cc:484
#9  0x00000000004265f1 in run_update_eix (argc=<value optimized out>, argv=<value optimized out>) at update-eix.cc:418
#10 0x00000000004989c1 in main (argc=1, argv=0x7fff909d6b78) at main/main.cc:126
(gdb) info args
this = (MetadataCache * const) 0x256b750
vec = (Category &) @0x38b6770: {<eix::ptr_list<Package>> = {<std::list<Package*, std::allocator<Package*> >> = {<std::_List_base<Package*, std::allocator<Package*> >> = {
        _M_impl = {<std::allocator<std::_List_node<Package*> >> = {<__gnu_cxx::new_allocator<std::_List_node<Package*> >> = {<No data fields>}, <No data fields>}, _M_node = {_M_next = 0x38f58c0, 
            _M_prev = 0x391d430}}}, <No data fields>}, _vptr.ptr_list = 0x49ca28}, name = {static npos = 18446744073709551615, 
    _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x25522b8 "media-fonts"}}}
(gdb) info locals
catpath = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
    _M_p = 0x38e6e68 "/usr/portage//metadata/cache/media-fonts"}}
names = {<std::_Vector_base<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >> = {
    _M_impl = {<std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > >> = {<__gnu_cxx::new_allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > >> = {<No data fields>}, <No data fields>}, _M_start = 0x38f7d20, _M_finish = 0x38f82c8, _M_end_of_storage = 0x38f8520}}, <No data fields>}
x_get_keywords_slot_iuse_restrict = (
    x_get_keywords_slot_iuse_restrict_t) 0x42a900 <flat_get_keywords_slot_iuse_restrict(std::string const&, std::string&, std::string&, std::string&, std::string&, void (*)(std::string const&))>
x_read_file = (x_read_file_t) 0x42b220 <flat_read_file(char const*, Package*, void (*)(std::string const&))>