StacktraceTop: __exchange_and_add (__mem=0xfffffffc, __val=-1) at /usr/include/c++/4.6/ext/atomicity.h:48 __exchange_and_add_dispatch (__val=-1, __mem=0xfffffffc) at /usr/include/c++/4.6/ext/atomicity.h:81 _M_dispose (__a=..., this=0xfffffff4) at /usr/include/c++/4.6/bits/basic_string.h:240 ~basic_string (this=0x9b65f58, __in_chrg=<optimized out>) at /usr/include/c++/4.6/bits/basic_string.h:534 _Destroy<std::basic_string<char> > (__pointer=0x9b65f58) at /usr/include/c++/4.6/bits/stl_construct.h:94
StacktraceTop: c++/4.6/ ext/atomicity. h:48 and_add_ dispatch (__val=-1, __mem=0xfffffffc) at /usr/include/ c++/4.6/ ext/atomicity. h:81 c++/4.6/ bits/basic_ string. h:240 <optimized out>) at /usr/include/ c++/4.6/ bits/basic_ string. h:534 std::basic_ string< char> > (__pointer= 0x9b65f58) at /usr/include/ c++/4.6/ bits/stl_ construct. h:94
__exchange_and_add (__mem=0xfffffffc, __val=-1) at /usr/include/
__exchange_
_M_dispose (__a=..., this=0xfffffff4) at /usr/include/
~basic_string (this=0x9b65f58, __in_chrg=
_Destroy<