Comment 4 for bug 64890

Heres the output of backtrace

(gdb) backtrace
#0 0x000000000045452f in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string<char*> ()
#1 0x00007fff4e811f70 in ?? ()
#2 0x00002ad25f435c3d in realloc () from /lib/libc.so.6
#3 0x00000000012688a0 in ?? ()
#4 0x0000000001266340 in ?? ()
#5 0x00002ad25f4338b4 in free () from /lib/libc.so.6
#6 0x00002ad25e3df990 in g_log_default_handler ()
   from /usr/lib/libglib-2.0.so.0
#7 0x00002ad25e3dec29 in g_logv () from /usr/lib/libglib-2.0.so.0
#8 0x00002ad25e3dedf3 in g_log () from /usr/lib/libglib-2.0.so.0
#9 0x00002ad25c9ba17a in gtk_tree_model_get ()
   from /usr/lib/libgtk-x11-2.0.so.0
#10 0x000000000043f6f2 in std::__introsort_loop<__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocator<std::string> > >, long> ()
#11 0x000000000065f440 in ?? ()
#12 0x00000000005fe538 in ?? ()
#13 0x01007fff4e8129e0 in ?? ()
#14 0x0000000001264ac0 in ?? ()
#15 0x00002ad25f29e540 in VTT for std::basic_ofstream<char, std::char_traits<char> > () from /usr/lib/libstdc++.so.6
#16 0x000000000065f470 in ?? ()
#17 0x00000000005cacf0 in ?? ()
---Type <return> to continue, or q <return> to quit---
#18 0x00002ad25e077a80 in g_param_spec_enum ()
   from /usr/lib/libgobject-2.0.so.0
#19 0x00007fff4e812d80 in ?? ()
#20 0x0000000000661030 in ?? ()
#21 0x000000000000006a in ?? ()
#22 0x0000000100000004 in ?? ()
#23 0x0000000001185808 in ?? ()
#24 0x0000000000000020 in ?? ()
#25 0x0000000000881758 in ?? ()
#26 0x00002ad25e077a80 in g_param_spec_enum ()
   from /usr/lib/libgobject-2.0.so.0
#27 0x00007fff4e8128e0 in ?? ()
#28 0x00002ad25e070441 in g_object_class_override_property ()
   from /usr/lib/libgobject-2.0.so.0
#29 0x00002ad25e08d531 in g_value_set_instance ()
   from /usr/lib/libgobject-2.0.so.0
#30 0x000000005e07ce7e in ?? ()
#31 0x00007fff4e812b90 in ?? ()
#32 0x0000000000000001 in ?? ()
#33 0x000000000083e540 in ?? ()
#34 0x000000005c8edc33 in ?? ()
#35 0x0000000000825400 in ?? ()
#36 0x0000000000000000 in ?? ()