Method from

crates/compiler-core/src/bytecode/instruction.rs:422–425

(ins: Instruction)

impl From<Instruction> for u8 {
    #[inline]
    fn from(ins: Instruction) -> Self {
        // SAFETY: there's no padding bits
        unsafe { mem::transmute::<Instruction, Self>(ins) }
    }
}

impl TryFrom<u8> for Instruction {