- // MIR for `main` before Derefer
+ // MIR for `main` after Derefer
  
  fn main() -> () {
      let mut _0: ();                      // return place in scope 0 at $DIR/derefer_test_multiple.rs:+0:12: +0:12
      let mut _1: (i32, i32);              // in scope 0 at $DIR/derefer_test_multiple.rs:+1:9: +1:14
      let mut _3: &mut (i32, i32);         // in scope 0 at $DIR/derefer_test_multiple.rs:+2:22: +2:28
      let mut _5: &mut (i32, &mut (i32, i32)); // in scope 0 at $DIR/derefer_test_multiple.rs:+3:22: +3:28
      let mut _7: &mut (i32, &mut (i32, &mut (i32, i32))); // in scope 0 at $DIR/derefer_test_multiple.rs:+4:22: +4:28
+     let mut _10: &mut (i32, &mut (i32, &mut (i32, i32))); // in scope 0 at $DIR/derefer_test_multiple.rs:+4:9: +4:14
+     let mut _11: &mut (i32, &mut (i32, i32)); // in scope 0 at $DIR/derefer_test_multiple.rs:+4:9: +4:14
+     let mut _12: &mut (i32, i32);        // in scope 0 at $DIR/derefer_test_multiple.rs:+4:9: +4:14
+     let mut _13: &mut (i32, &mut (i32, &mut (i32, i32))); // in scope 0 at $DIR/derefer_test_multiple.rs:+4:9: +4:14
+     let mut _14: &mut (i32, &mut (i32, i32)); // in scope 0 at $DIR/derefer_test_multiple.rs:+4:9: +4:14
+     let mut _15: &mut (i32, i32);        // in scope 0 at $DIR/derefer_test_multiple.rs:+4:9: +4:14
      scope 1 {
          debug a => _1;                   // in scope 1 at $DIR/derefer_test_multiple.rs:+1:9: +1:14
          let mut _2: (i32, &mut (i32, i32)); // in scope 1 at $DIR/derefer_test_multiple.rs:+2:9: +2:14
          scope 2 {
              debug b => _2;               // in scope 2 at $DIR/derefer_test_multiple.rs:+2:9: +2:14
              let mut _4: (i32, &mut (i32, &mut (i32, i32))); // in scope 2 at $DIR/derefer_test_multiple.rs:+3:9: +3:14
              scope 3 {
                  debug c => _4;           // in scope 3 at $DIR/derefer_test_multiple.rs:+3:9: +3:14
                  let mut _6: (i32, &mut (i32, &mut (i32, &mut (i32, i32)))); // in scope 3 at $DIR/derefer_test_multiple.rs:+4:9: +4:14
                  scope 4 {
                      debug d => _6;       // in scope 4 at $DIR/derefer_test_multiple.rs:+4:9: +4:14
                      let _8: &mut i32;    // in scope 4 at $DIR/derefer_test_multiple.rs:+5:9: +5:10
                      scope 5 {
                          debug x => _8;   // in scope 5 at $DIR/derefer_test_multiple.rs:+5:9: +5:10
                          let _9: &mut i32; // in scope 5 at $DIR/derefer_test_multiple.rs:+6:9: +6:10
                          scope 6 {
                              debug y => _9; // in scope 6 at $DIR/derefer_test_multiple.rs:+6:9: +6:10
                          }
                      }
                  }
              }
          }
      }
  
      bb0: {
          StorageLive(_1);                 // scope 0 at $DIR/derefer_test_multiple.rs:+1:9: +1:14
          _1 = (const 42_i32, const 43_i32); // scope 0 at $DIR/derefer_test_multiple.rs:+1:17: +1:25
          StorageLive(_2);                 // scope 1 at $DIR/derefer_test_multiple.rs:+2:9: +2:14
          StorageLive(_3);                 // scope 1 at $DIR/derefer_test_multiple.rs:+2:22: +2:28
          _3 = &mut _1;                    // scope 1 at $DIR/derefer_test_multiple.rs:+2:22: +2:28
          _2 = (const 99_i32, move _3);    // scope 1 at $DIR/derefer_test_multiple.rs:+2:17: +2:29
          StorageDead(_3);                 // scope 1 at $DIR/derefer_test_multiple.rs:+2:28: +2:29
          StorageLive(_4);                 // scope 2 at $DIR/derefer_test_multiple.rs:+3:9: +3:14
          StorageLive(_5);                 // scope 2 at $DIR/derefer_test_multiple.rs:+3:22: +3:28
          _5 = &mut _2;                    // scope 2 at $DIR/derefer_test_multiple.rs:+3:22: +3:28
          _4 = (const 11_i32, move _5);    // scope 2 at $DIR/derefer_test_multiple.rs:+3:17: +3:29
          StorageDead(_5);                 // scope 2 at $DIR/derefer_test_multiple.rs:+3:28: +3:29
          StorageLive(_6);                 // scope 3 at $DIR/derefer_test_multiple.rs:+4:9: +4:14
          StorageLive(_7);                 // scope 3 at $DIR/derefer_test_multiple.rs:+4:22: +4:28
          _7 = &mut _4;                    // scope 3 at $DIR/derefer_test_multiple.rs:+4:22: +4:28
          _6 = (const 13_i32, move _7);    // scope 3 at $DIR/derefer_test_multiple.rs:+4:17: +4:29
          StorageDead(_7);                 // scope 3 at $DIR/derefer_test_multiple.rs:+4:28: +4:29
          StorageLive(_8);                 // scope 4 at $DIR/derefer_test_multiple.rs:+5:9: +5:10
-         _8 = &mut ((*((*((*(_6.1: &mut (i32, &mut (i32, &mut (i32, i32))))).1: &mut (i32, &mut (i32, i32)))).1: &mut (i32, i32))).1: i32); // scope 4 at $DIR/derefer_test_multiple.rs:+5:13: +5:30
+         _10 = deref_copy (_6.1: &mut (i32, &mut (i32, &mut (i32, i32)))); // scope 4 at $DIR/derefer_test_multiple.rs:+5:13: +5:30
+         _11 = deref_copy ((*_10).1: &mut (i32, &mut (i32, i32))); // scope 4 at $DIR/derefer_test_multiple.rs:+5:13: +5:30
+         _12 = deref_copy ((*_11).1: &mut (i32, i32)); // scope 4 at $DIR/derefer_test_multiple.rs:+5:13: +5:30
+         _8 = &mut ((*_12).1: i32);       // scope 4 at $DIR/derefer_test_multiple.rs:+5:13: +5:30
          StorageLive(_9);                 // scope 5 at $DIR/derefer_test_multiple.rs:+6:9: +6:10
-         _9 = &mut ((*((*((*(_6.1: &mut (i32, &mut (i32, &mut (i32, i32))))).1: &mut (i32, &mut (i32, i32)))).1: &mut (i32, i32))).1: i32); // scope 5 at $DIR/derefer_test_multiple.rs:+6:13: +6:30
+         _13 = deref_copy (_6.1: &mut (i32, &mut (i32, &mut (i32, i32)))); // scope 5 at $DIR/derefer_test_multiple.rs:+6:13: +6:30
+         _14 = deref_copy ((*_13).1: &mut (i32, &mut (i32, i32))); // scope 5 at $DIR/derefer_test_multiple.rs:+6:13: +6:30
+         _15 = deref_copy ((*_14).1: &mut (i32, i32)); // scope 5 at $DIR/derefer_test_multiple.rs:+6:13: +6:30
+         _9 = &mut ((*_15).1: i32);       // scope 5 at $DIR/derefer_test_multiple.rs:+6:13: +6:30
          _0 = const ();                   // scope 0 at $DIR/derefer_test_multiple.rs:+0:12: +7:2
          StorageDead(_9);                 // scope 5 at $DIR/derefer_test_multiple.rs:+7:1: +7:2
          StorageDead(_8);                 // scope 4 at $DIR/derefer_test_multiple.rs:+7:1: +7:2
          StorageDead(_6);                 // scope 3 at $DIR/derefer_test_multiple.rs:+7:1: +7:2
          StorageDead(_4);                 // scope 2 at $DIR/derefer_test_multiple.rs:+7:1: +7:2
          StorageDead(_2);                 // scope 1 at $DIR/derefer_test_multiple.rs:+7:1: +7:2
          StorageDead(_1);                 // scope 0 at $DIR/derefer_test_multiple.rs:+7:1: +7:2
          return;                          // scope 0 at $DIR/derefer_test_multiple.rs:+7:2: +7:2
      }
  }