(gdb) catch throw
Catchpoint 1 (throw)
(gdb) r
The program being debugged has been started already.
Start it from the beginning? (y or n) n
Program not restarted.
(gdb) c
Continuing.
mtn:   36.8 M |    62.6 k |    0/588 |   0/147
Catchpoint 1 (exception thrown)
0x2890d1e5 in __cxa_throw () from /usr/lib/libstdc++.so.4
(gdb) bt
#0  0x2890d1e5 in __cxa_throw () from /usr/lib/libstdc++.so.4
#1  0x2891023e in operator new () from /usr/lib/libstdc++.so.4
#2  0x0807997e in __gnu_cxx::new_allocator<char>::allocate ()
#3  0x288c9aa2 in std::string::_Rep::_S_create () from /usr/lib/libstdc++.so.4
#4  0x288c9be9 in std::string::_Rep::_M_clone () from /usr/lib/libstdc++.so.4
#5  0x288c77b8 in std::string::reserve () from /usr/lib/libstdc++.so.4
#6  0x288c7bdc in std::string::append () from /usr/lib/libstdc++.so.4
#7  0x082fd2e4 in std::length_error::~length_error ()
#8  0x082f99cc in std::length_error::~length_error ()
#9  0x082f9bbb in std::length_error::~length_error ()
#10 0x081b35cf in std::invalid_argument::~invalid_argument ()
#11 0x0822c24c in std::setfill<char> ()
#12 0x08232d17 in std::setfill<char> ()
#13 0x082b09ea in std::distance<char const*> ()
#14 0x08350d26 in __gnu_cxx::new_allocator<char>::new_allocator ()
#15 0x08355894 in __gnu_cxx::new_allocator<char>::new_allocator ()
#16 0x08357025 in __gnu_cxx::new_allocator<char>::new_allocator ()
#17 0x08358dc2 in __gnu_cxx::new_allocator<char>::new_allocator ()
#18 0x083664c3 in __gnu_cxx::new_allocator<char>::new_allocator ()
#19 0x080a9c34 in boost::detail::sp_counted_base::~sp_counted_base ()
#20 0x0807d302 in boost::detail::sp_counted_base::~sp_counted_base ()
#21 0x084f0dbe in std::_Rb_tree<int, std::pair<int const, int>, std::_Select1st<---Type <return> to continue, or q <return> to quit---
std::pair<int const, int> >, std::less<int>, std::allocator<std::pair<int const, int> > >::insert_unique ()
#22 0x084f383b in std::_Rb_tree<int, std::pair<int const, int>, std::_Select1st<std::pair<int const, int> >, std::less<int>, std::allocator<std::pair<int const, int> > >::insert_unique ()
#23 0x084f3b52 in std::_Rb_tree<int, std::pair<int const, int>, std::_Select1st<std::pair<int const, int> >, std::less<int>, std::allocator<std::pair<int const, int> > >::insert_unique ()
#24 0x084f4042 in std::_Rb_tree<int, std::pair<int const, int>, std::_Select1st<std::pair<int const, int> >, std::less<int>, std::allocator<std::pair<int const, int> > >::insert_unique ()
#25 0x08057041 in ?? ()
#26 0x00000006 in ?? ()
#27 0xbfbfe814 in ?? ()
#28 0xbfbfe830 in ?? ()
#29 0x08057036 in ?? ()
#30 0x086385b8 in __moddi3 ()
#31 0x00000006 in ?? ()
(gdb) The program is running.  Exit anyway? (y or n) y