// MIR for `BAR::promoted[0]` after SimplifyCfg-elaborate-drops

promoted[0] in BAR: &[&i32; 1] = {
    let mut _0: &[&i32; 1];
    let mut _1: [&i32; 1];
    let mut _2: &i32;
    let mut _3: &i32;

    bb0: {
        _3 = const {alloc1: &i32};
        _2 = &(*_3);
        _1 = [move _2];
        _0 = &_1;
        return;
    }
}

alloc1 (static: Y, size: 4, align: 4) {
    2a 00 00 00                                     │ *...
}