// MIR for `step_forward` after PreCodegen

fn step_forward(_1: u16, _2: usize) -> u16 {
    debug x => _1;
    debug n => _2;
    let mut _0: u16;

    bb0: {
        _0 = <u16 as Step>::forward(move _1, move _2) -> [return: bb1, unwind unreachable];
    }

    bb1: {
        return;
    }
}