// MIR for `b` after Inline

fn b(_1: &mut std::boxed::Box<T>) -> &mut T {
    debug x => _1;                       // in scope 0 at $DIR/issue-58867-inline-as-ref-as-mut.rs:7:13: 7:14
    let mut _0: &mut T;                  // return place in scope 0 at $DIR/issue-58867-inline-as-ref-as-mut.rs:7:32: 7:38
    let mut _2: &mut T;                  // in scope 0 at $DIR/issue-58867-inline-as-ref-as-mut.rs:8:5: 8:15
    let mut _3: &mut T;                  // in scope 0 at $DIR/issue-58867-inline-as-ref-as-mut.rs:8:5: 8:15
    let mut _4: &mut std::boxed::Box<T>; // in scope 0 at $DIR/issue-58867-inline-as-ref-as-mut.rs:8:5: 8:6
    scope 1 {
        debug self => _4;                // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
        let mut _5: &mut T;              // in scope 1 at $DIR/issue-58867-inline-as-ref-as-mut.rs:8:5: 8:15
        let mut _6: &mut T;              // in scope 1 at $DIR/issue-58867-inline-as-ref-as-mut.rs:8:5: 8:15
    }

    bb0: {
        StorageLive(_2);                 // scope 0 at $DIR/issue-58867-inline-as-ref-as-mut.rs:8:5: 8:15
        StorageLive(_3);                 // scope 0 at $DIR/issue-58867-inline-as-ref-as-mut.rs:8:5: 8:15
        StorageLive(_4);                 // scope 0 at $DIR/issue-58867-inline-as-ref-as-mut.rs:8:5: 8:6
        _4 = &mut (*_1);                 // scope 0 at $DIR/issue-58867-inline-as-ref-as-mut.rs:8:5: 8:6
        StorageLive(_5);                 // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
        StorageLive(_6);                 // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
        _6 = &mut (*(*_4));              // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
        _5 = &mut (*_6);                 // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
        _3 = &mut (*_5);                 // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
        StorageDead(_6);                 // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
        StorageDead(_5);                 // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL
        _2 = &mut (*_3);                 // scope 0 at $DIR/issue-58867-inline-as-ref-as-mut.rs:8:5: 8:15
        StorageDead(_4);                 // scope 0 at $DIR/issue-58867-inline-as-ref-as-mut.rs:8:14: 8:15
        _0 = &mut (*_2);                 // scope 0 at $DIR/issue-58867-inline-as-ref-as-mut.rs:8:5: 8:15
        StorageDead(_3);                 // scope 0 at $DIR/issue-58867-inline-as-ref-as-mut.rs:9:1: 9:2
        StorageDead(_2);                 // scope 0 at $DIR/issue-58867-inline-as-ref-as-mut.rs:9:1: 9:2
        return;                          // scope 0 at $DIR/issue-58867-inline-as-ref-as-mut.rs:9:2: 9:2
    }
}