rfc2119

I have came across the same error when doing a test run on the sample database [chinook](https://github.com/lerocha/chinook-database) (SQLite version). I have read #327, here's my .load file: ``` load database...

As @adam-ludgate said, any idea why v5.0.1 did not get an arm64 build ?

also `__asm(imul eax, ebx, imm8)`

`imul` is fixed, thanks! https://asciinema.org/a/tioh1c9gJk7FCjNE9dPpaDLaI