It's an instant `Segmentation fault: 11` - although this might be because I'm on M1 (although it still happens under `arch -x86_64 bash` which forces it directl

It's an instant `Segmentation fault: 11` - although this might be because I'm on M1 (although it still happens under `arch -x86_64 bash` which forces it directly through Rosetta 2.) Seems I can't run `dtruss` or anything useful either to track it down further because of the new stringent SIP protections, sorry!