I updated https://sourceforge.net/p/lxde/bugs/760/ and updated Fedora patch.
Well, actually the patch caused https://sourceforge.net/p/lxde/bugs/818/ . The problem...
Proposal patch, to use memmove instead of memcpy for overlapping area copy.
Parcellite autostart desktop crash lxsession-edit, due to invalid memcpy usage
BTW it is known that clang's -Winfinite-recursion generates wrong warnings like ...