// MIR for `main` 0 nll

| Free Region Mapping
| '_#0r | Global | ['_#0r, '_#1r]
| '_#1r | Local | ['_#1r]
|
| Inferred Region Values
| '_#0r | U0 | {bb0[0..=22], '_#0r, '_#1r}
| '_#1r | U0 | {bb0[0..=22], '_#1r}
| '_#2r | U0 | {bb0[10..=11]}
| '_#3r | U0 | {bb0[11]}
|
| Inference Constraints
| '_#0r live at {bb0[0..=22]}
| '_#1r live at {bb0[0..=22]}
| '_#2r live at {bb0[10]}
| '_#3r live at {bb0[11]}
| '_#2r: '_#3r due to Assignment at Single(bb0[10]) ($DIR/storage_ranges.rs:6:17: 6:25 (#0)
|
fn main() -> () {
    let mut _0: ();                      // return place in scope 0 at $DIR/storage_ranges.rs:+0:11: +0:11
    let _1: i32;                         // in scope 0 at $DIR/storage_ranges.rs:+1:9: +1:10
    let _2: ();                          // in scope 0 at $DIR/storage_ranges.rs:+2:5: +4:6
    let _4: std::option::Option<i32>;    // in scope 0 at $DIR/storage_ranges.rs:+3:18: +3:25
    let mut _5: i32;                     // in scope 0 at $DIR/storage_ranges.rs:+3:23: +3:24
    scope 1 {
        debug a => _1;                   // in scope 1 at $DIR/storage_ranges.rs:+1:9: +1:10
        let _3: &std::option::Option<i32>; // in scope 1 at $DIR/storage_ranges.rs:+3:13: +3:14
        let _6: i32;                     // in scope 1 at $DIR/storage_ranges.rs:+5:9: +5:10
        scope 2 {
            debug b => _3;               // in scope 2 at $DIR/storage_ranges.rs:+3:13: +3:14
        }
        scope 3 {
            debug c => _6;               // in scope 3 at $DIR/storage_ranges.rs:+5:9: +5:10
        }
    }

    bb0: {
        StorageLive(_1);                 // scope 0 at $DIR/storage_ranges.rs:+1:9: +1:10
        _1 = const 0_i32;                // scope 0 at $DIR/storage_ranges.rs:+1:13: +1:14
        FakeRead(ForLet(None), _1);      // scope 0 at $DIR/storage_ranges.rs:+1:9: +1:10
        StorageLive(_2);                 // scope 1 at $DIR/storage_ranges.rs:+2:5: +4:6
        StorageLive(_3);                 // scope 1 at $DIR/storage_ranges.rs:+3:13: +3:14
        StorageLive(_4);                 // scope 1 at $DIR/storage_ranges.rs:+3:18: +3:25
        StorageLive(_5);                 // scope 1 at $DIR/storage_ranges.rs:+3:23: +3:24
        _5 = _1;                         // scope 1 at $DIR/storage_ranges.rs:+3:23: +3:24
        _4 = Option::<i32>::Some(move _5); // scope 1 at $DIR/storage_ranges.rs:+3:18: +3:25
        StorageDead(_5);                 // scope 1 at $DIR/storage_ranges.rs:+3:24: +3:25
        _3 = &_4;                        // scope 1 at $DIR/storage_ranges.rs:+3:17: +3:25
        FakeRead(ForLet(None), _3);      // scope 1 at $DIR/storage_ranges.rs:+3:13: +3:14
        _2 = const ();                   // scope 1 at $DIR/storage_ranges.rs:+2:5: +4:6
        StorageDead(_4);                 // scope 1 at $DIR/storage_ranges.rs:+4:5: +4:6
        StorageDead(_3);                 // scope 1 at $DIR/storage_ranges.rs:+4:5: +4:6
        StorageDead(_2);                 // scope 1 at $DIR/storage_ranges.rs:+4:5: +4:6
        StorageLive(_6);                 // scope 1 at $DIR/storage_ranges.rs:+5:9: +5:10
        _6 = const 1_i32;                // scope 1 at $DIR/storage_ranges.rs:+5:13: +5:14
        FakeRead(ForLet(None), _6);      // scope 1 at $DIR/storage_ranges.rs:+5:9: +5:10
        _0 = const ();                   // scope 0 at $DIR/storage_ranges.rs:+0:11: +6:2
        StorageDead(_6);                 // scope 1 at $DIR/storage_ranges.rs:+6:1: +6:2
        StorageDead(_1);                 // scope 0 at $DIR/storage_ranges.rs:+6:1: +6:2
        return;                          // scope 0 at $DIR/storage_ranges.rs:+6:2: +6:2
    }
}