On 9 July 2012 16:06, wbrana <wbrana@xxxxxxxxx> wrote: > Hello, > My C++ application which uses Qt and libsigc++ libraries is stable if > all 3 components are compiled with GCC 4.4.7 > If my app is compiled with GCC 4.7.1 it crashes in random time > (approx. 1 hour from start) and > place as detected by GDB. > I tried to run app with Valgrind, but didn't have crash yet. > > Output from Valgrind (following errors are not present if my app is > compiled with GCC 4.4.7): > ==8242== 110634 errors in context 51 of 52: > ==8242== Invalid read of size 8 > ==8242== at 0x126B63: > sigc::internal::temp_slot_list::~temp_slot_list() (stl_list.h:358) Are you compiling some of your application with -std=c++11 or -std=c++0x and linking to other code compiled without those flags? For GCC 4.7.0 and 4.7.1 there is an incompatibility between c++11 and c++98 code due to the size of std::list being different in C++11 mode.
