#0  0x00002aaaab54aa80 in memcpy () from /lib/tls/libc.so.6
#1  0x00002aaaab0e9ae1 in std::string::append ()
   from /usr/lib/gcc/x86_64-pc-linux-gnu/3.4.3/libstdc++.so.6
#2  0x000000000073260a in boost::io::detail::(anonymous namespace)::mk_str<char, std::char_traits<char> > (res=@0x9e6b78, beg=0x9e6d58 "", size=-1, w=0,
    fill_char=32 ' ', f=4098, prefix_space=0 '\0', center=false)
    at feed_args.hpp:73
#3  0x00000000007321a0 in boost::io::detail::(anonymous namespace)::put<char, std::char_traits<char>, char (&) [65]> (x=@0x7fffffffeb00, specs=@0x9e6b70,
    res=@0x9e6b78, oss_=@0x7fffffffe958) at feed_args.hpp:165
#4  0x0000000000731f46 in boost::io::detail::distribute<char, std::char_traits<char>, char (&) [65]> (self=@0x7fffffffe900, x=@0x7fffffffeb00)
    at feed_args.hpp:241
#5  0x0000000000731e08 in boost::io::detail::feed<char, std::char_traits<char>, char (&) [65]> (self=@0x7fffffffe900, x=@0x7fffffffeb00) at feed_args.hpp:249
#6  0x0000000000731dd5 in boost::basic_format<char, std::char_traits<char> >::operator%<char [65]> (this=0x7fffffffe900, x=@0x7fffffffeb00)
    at format_class.hpp:65
#7  0x0000000000731ce0 in get_system_flavour (ident=@0x7fffffffee90)
    at get_system_flavour.cc:16
#8  0x000000000053db6e in sanity (this=0x9b57a0) at sanity.cc:35
#9  0x000000000053fa00 in __static_initialization_and_destruction_0 (
    __initialize_p=1, __priority=65535) at sanity.cc:29
#10 0x000000000053fa61 in global constructors keyed to global_sanity ()
    at sanity.cc:222
#11 0x0000000000734386 in __do_global_ctors_aux ()
#12 0x000000000042483b in _init ()
#13 0x00000000007342e0 in __libc_csu_init ()
#14 0x00000000007342a1 in __libc_csu_init ()
#15 0x00002aaaab4f7753 in __libc_start_main () from /lib/tls/libc.so.6
#16 0x00000000004261da in _start ()
#17 0x00007ffffffff008 in ?? ()
#18 0x000000000000001c in ?? ()
Previous frame inner to this frame (corrupt stack?)