Please add "rr" package to Solus repository.
It's a very powerful debugger that can step back - something lldb and gdb can't do.
It's open source at https://github.com/mozilla/rr .
Last release - https://github.com/mozilla/rr/releases/download/5.3.0/rr-5.3.0-Linux-x86_64.tar.gz
See also - https://dev.getsol.us/T8171