- // MIR for `array_bound_mut` before SimplifyLocals
+ // MIR for `array_bound_mut` after SimplifyLocals
  
  fn array_bound_mut(_1: usize, _2: &mut [u8; N]) -> u8 {
      debug index => _1;                   // in scope 0 at $DIR/lower_array_len.rs:+0:40: +0:45
      debug slice => _2;                   // in scope 0 at $DIR/lower_array_len.rs:+0:54: +0:59
      let mut _0: u8;                      // return place in scope 0 at $DIR/lower_array_len.rs:+0:78: +0:80
      let mut _3: bool;                    // in scope 0 at $DIR/lower_array_len.rs:+1:8: +1:27
      let mut _4: usize;                   // in scope 0 at $DIR/lower_array_len.rs:+1:8: +1:13
      let mut _5: usize;                   // in scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
-     let mut _6: &[u8];                   // in scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
-     let mut _7: &[u8; N];                // in scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
-     let _8: usize;                       // in scope 0 at $DIR/lower_array_len.rs:+2:15: +2:20
-     let mut _9: usize;                   // in scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
-     let mut _10: bool;                   // in scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
-     let _11: usize;                      // in scope 0 at $DIR/lower_array_len.rs:+4:15: +4:16
-     let mut _12: usize;                  // in scope 0 at $DIR/lower_array_len.rs:+4:9: +4:17
-     let mut _13: bool;                   // in scope 0 at $DIR/lower_array_len.rs:+4:9: +4:17
-     let mut _14: &[u8; N];               // in scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
+     let _6: usize;                       // in scope 0 at $DIR/lower_array_len.rs:+2:15: +2:20
+     let mut _7: usize;                   // in scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
+     let mut _8: bool;                    // in scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
+     let _9: usize;                       // in scope 0 at $DIR/lower_array_len.rs:+4:15: +4:16
+     let mut _10: usize;                  // in scope 0 at $DIR/lower_array_len.rs:+4:9: +4:17
+     let mut _11: bool;                   // in scope 0 at $DIR/lower_array_len.rs:+4:9: +4:17
  
      bb0: {
          StorageLive(_3);                 // scope 0 at $DIR/lower_array_len.rs:+1:8: +1:27
          StorageLive(_4);                 // scope 0 at $DIR/lower_array_len.rs:+1:8: +1:13
          _4 = _1;                         // scope 0 at $DIR/lower_array_len.rs:+1:8: +1:13
          StorageLive(_5);                 // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
-         StorageLive(_6);                 // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
-         StorageLive(_7);                 // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
-         StorageLive(_14);                // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
-         StorageDead(_7);                 // scope 0 at $DIR/lower_array_len.rs:+1:20: +1:21
          _5 = const N;                    // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
-         StorageDead(_14);                // scope 0 at $DIR/lower_array_len.rs:+1:16: +1:27
-         StorageDead(_6);                 // scope 0 at $DIR/lower_array_len.rs:+1:26: +1:27
          _3 = Lt(move _4, move _5);       // scope 0 at $DIR/lower_array_len.rs:+1:8: +1:27
          StorageDead(_5);                 // scope 0 at $DIR/lower_array_len.rs:+1:26: +1:27
          StorageDead(_4);                 // scope 0 at $DIR/lower_array_len.rs:+1:26: +1:27
          switchInt(move _3) -> [false: bb3, otherwise: bb1]; // scope 0 at $DIR/lower_array_len.rs:+1:8: +1:27
      }
  
      bb1: {
-         StorageLive(_8);                 // scope 0 at $DIR/lower_array_len.rs:+2:15: +2:20
-         _8 = _1;                         // scope 0 at $DIR/lower_array_len.rs:+2:15: +2:20
-         _9 = const N;                    // scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
-         _10 = Lt(_8, _9);                // scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
-         assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, _8) -> bb2; // scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
+         StorageLive(_6);                 // scope 0 at $DIR/lower_array_len.rs:+2:15: +2:20
+         _6 = _1;                         // scope 0 at $DIR/lower_array_len.rs:+2:15: +2:20
+         _7 = const N;                    // scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
+         _8 = Lt(_6, _7);                 // scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
+         assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, _6) -> bb2; // scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
      }
  
      bb2: {
-         _0 = (*_2)[_8];                  // scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
-         StorageDead(_8);                 // scope 0 at $DIR/lower_array_len.rs:+3:5: +3:6
+         _0 = (*_2)[_6];                  // scope 0 at $DIR/lower_array_len.rs:+2:9: +2:21
+         StorageDead(_6);                 // scope 0 at $DIR/lower_array_len.rs:+3:5: +3:6
          goto -> bb5;                     // scope 0 at $DIR/lower_array_len.rs:+1:5: +7:6
      }
  
      bb3: {
-         StorageLive(_11);                // scope 0 at $DIR/lower_array_len.rs:+4:15: +4:16
-         _11 = const 0_usize;             // scope 0 at $DIR/lower_array_len.rs:+4:15: +4:16
-         _12 = const N;                   // scope 0 at $DIR/lower_array_len.rs:+4:9: +4:17
-         _13 = Lt(const 0_usize, _12);    // scope 0 at $DIR/lower_array_len.rs:+4:9: +4:17
-         assert(move _13, "index out of bounds: the length is {} but the index is {}", move _12, const 0_usize) -> bb4; // scope 0 at $DIR/lower_array_len.rs:+4:9: +4:17
+         StorageLive(_9);                 // scope 0 at $DIR/lower_array_len.rs:+4:15: +4:16
+         _9 = const 0_usize;              // scope 0 at $DIR/lower_array_len.rs:+4:15: +4:16
+         _10 = const N;                   // scope 0 at $DIR/lower_array_len.rs:+4:9: +4:17
+         _11 = Lt(const 0_usize, _10);    // scope 0 at $DIR/lower_array_len.rs:+4:9: +4:17
+         assert(move _11, "index out of bounds: the length is {} but the index is {}", move _10, const 0_usize) -> bb4; // scope 0 at $DIR/lower_array_len.rs:+4:9: +4:17
      }
  
      bb4: {
-         (*_2)[_11] = const 42_u8;        // scope 0 at $DIR/lower_array_len.rs:+4:9: +4:22
-         StorageDead(_11);                // scope 0 at $DIR/lower_array_len.rs:+4:22: +4:23
+         (*_2)[_9] = const 42_u8;         // scope 0 at $DIR/lower_array_len.rs:+4:9: +4:22
+         StorageDead(_9);                 // scope 0 at $DIR/lower_array_len.rs:+4:22: +4:23
          _0 = const 42_u8;                // scope 0 at $DIR/lower_array_len.rs:+6:9: +6:11
          goto -> bb5;                     // scope 0 at $DIR/lower_array_len.rs:+1:5: +7:6
      }
  
      bb5: {
          StorageDead(_3);                 // scope 0 at $DIR/lower_array_len.rs:+7:5: +7:6
          return;                          // scope 0 at $DIR/lower_array_len.rs:+8:2: +8:2
      }
  }