- // MIR for `main` before SimplifyLocals-before-const-prop
+ // MIR for `main` after SimplifyLocals-before-const-prop
  
  fn main() -> () {
      let mut _0: ();
-     let mut _1: ((), ());
-     let mut _2: ();
+     let _1: ();
+     let mut _2: ((), ());
      let mut _3: ();
-     let _4: ();
-     let mut _5: ((), ());
-     let mut _6: ();
-     let mut _7: ();
-     let _8: ();
-     let mut _9: u8;
-     let mut _10: u8;
-     let mut _11: Temp;
+     let mut _4: ();
+     let _5: ();
+     let mut _6: u8;
+     let mut _7: u8;
+     let mut _8: Temp;
      scope 1 {
      }
  
      bb0: {
          StorageLive(_1);
          StorageLive(_2);
-         _2 = ();
          StorageLive(_3);
          _3 = ();
-         _1 = (move _2, move _3);
+         StorageLive(_4);
+         _4 = ();
+         _2 = (move _3, move _4);
+         StorageDead(_4);
          StorageDead(_3);
+         _1 = use_zst(move _2) -> [return: bb1, unwind unreachable];
+     }
+ 
+     bb1: {
          StorageDead(_2);
          StorageDead(_1);
-         StorageLive(_4);
          StorageLive(_5);
          StorageLive(_6);
-         _6 = ();
          StorageLive(_7);
-         _7 = ();
-         _5 = (move _6, move _7);
+         StorageLive(_8);
+         _8 = Temp { x: const 40_u8 };
+         _7 = copy (_8.0: u8);
+         _6 = Add(move _7, const 2_u8);
          StorageDead(_7);
-         StorageDead(_6);
-         _4 = use_zst(move _5) -> [return: bb1, unwind unreachable];
+         _5 = use_u8(move _6) -> [return: bb2, unwind unreachable];
      }
  
-     bb1: {
-         StorageDead(_5);
-         StorageDead(_4);
-         StorageLive(_8);
-         StorageLive(_9);
-         StorageLive(_10);
-         StorageLive(_11);
-         _11 = Temp { x: const 40_u8 };
-         _10 = copy (_11.0: u8);
-         _9 = Add(move _10, const 2_u8);
-         StorageDead(_10);
-         _8 = use_u8(move _9) -> [return: bb2, unwind unreachable];
-     }
- 
      bb2: {
-         StorageDead(_9);
-         StorageDead(_11);
+         StorageDead(_6);
          StorageDead(_8);
+         StorageDead(_5);
          _0 = const ();
          return;
      }
  }