ed [BusyBox v1.27.2 (2018-06-06 9:08:50 UTC)]

illegal instruction at 0x565d2adc: 0f 0b 55 52 50 e8 2a 7c
Build 133 Alpine 3.7.3 mini-fs, shell:ash
While attempting to open a file with

```~# ed log.txt```

```"log.txt", Illegal instruction```

Expected result: to open './log.txt' for editing by /bin/ed without any error.

Start by reproducing `/bin/ed log.txt` in the Alpine 3.7.3 mini-fs described in the report and investigate the illegal-instruction entry point. Done means `ed` opens `./log.txt` for editing without an error.

Written by the indexing model from the issue text.