Method br_table32

pulley/src/interp.rs:2080–2093

(&mut self, idx: XReg, amt: u32)

    }

    fn br_table32(&mut self, idx: XReg, amt: u32) -> ControlFlow<Done> {
        let idx = self.state[idx].get_u32().min(amt - 1) as isize;
        // SAFETY: part of the contract of the interpreter is only dealing with
        // valid bytecode, so this offset should be safe.
        self.pc = unsafe { self.pc.offset(idx * 4) };

        // Decode the `PcRelOffset` without tampering with `self.pc` as the
        // jump is relative to `self.pc`.
        let mut tmp = self.pc;
        let Ok(rel) = PcRelOffset::decode(&mut tmp);
        let offset = isize::try_from(i32::from(rel)).unwrap();
        self.pc = unsafe { self.pc.offset(offset) };
        ControlFlow::Continue(())
    }

    fn stack_alloc32(&mut self, amt: u32) -> ControlFlow<Done> {
        let amt = usize::try_from(amt).unwrap();