StacktraceTop: ?? () destroy (this=0x8b7bf70) at ../../sigc++/functors/slot_base.h:98 ~slot_rep (this=0x8b7bf70, __in_chrg=<optimized out>) at ../../sigc++/functors/slot_base.h:87 sigc::slot_base::~slot_base (this=0x8b7bf60, __in_chrg=<optimized out>) at ../../sigc++/functors/slot_base.cc:124 destroy (__p=0x8b7bf60, this=<optimized out>) at /usr/include/c++/4.6/ext/new_allocator.h:118
StacktraceTop: +/functors/ slot_base. h:98 <optimized out>) at ../../sigc+ +/functors/ slot_base. h:87 slot_base: :~slot_ base (this=0x8b7bf60, __in_chrg= <optimized out>) at ../../sigc+ +/functors/ slot_base. cc:124 c++/4.6/ ext/new_ allocator. h:118
?? ()
destroy (this=0x8b7bf70) at ../../sigc+
~slot_rep (this=0x8b7bf70, __in_chrg=
sigc::
destroy (__p=0x8b7bf60, this=<optimized out>) at /usr/include/