- // MIR for `statics` before DataflowConstProp
+ // MIR for `statics` after DataflowConstProp
  
  fn statics() -> () {
      let mut _0: ();
      let _1: E;
      let mut _2: &E;
      let mut _4: isize;
      let mut _8: &&E;
      let mut _10: isize;
      scope 1 {
          debug e => _1;
          let _3: i32;
          let _5: i32;
          let _6: i32;
          scope 2 {
              debug x => _3;
              let _7: &E;
              scope 5 {
                  debug e => _7;
                  let _9: &i32;
                  let _11: &i32;
                  let _12: &i32;
                  scope 6 {
                      debug x => _9;
                  }
                  scope 7 {
                      debug x => _11;
                  }
                  scope 8 {
                      debug x => _12;
                  }
              }
          }
          scope 3 {
              debug x => _5;
          }
          scope 4 {
              debug x => _6;
          }
      }
  
      bb0: {
          StorageLive(_1);
          StorageLive(_2);
          _2 = const {alloc1: &E};
          _1 = (*_2);
          StorageDead(_2);
          StorageLive(_3);
-         _4 = discriminant(_1);
-         switchInt(move _4) -> [0: bb3, 1: bb1, otherwise: bb2];
+         _4 = const 0_isize;
+         switchInt(const 0_isize) -> [0: bb3, 1: bb1, otherwise: bb2];
      }
  
      bb1: {
          StorageLive(_6);
          _6 = ((_1 as V2).0: i32);
          _3 = _6;
          StorageDead(_6);
          goto -> bb4;
      }
  
      bb2: {
          unreachable;
      }
  
      bb3: {
          StorageLive(_5);
-         _5 = ((_1 as V1).0: i32);
-         _3 = _5;
+         _5 = const 0_i32;
+         _3 = const 0_i32;
          StorageDead(_5);
          goto -> bb4;
      }
  
      bb4: {
          StorageLive(_7);
          StorageLive(_8);
          _8 = const {alloc2: &&E};
          _7 = (*_8);
          StorageDead(_8);
          StorageLive(_9);
          _10 = discriminant((*_7));
          switchInt(move _10) -> [0: bb6, 1: bb5, otherwise: bb2];
      }
  
      bb5: {
          StorageLive(_12);
          _12 = &(((*_7) as V2).0: i32);
          _9 = &(*_12);
          StorageDead(_12);
          goto -> bb7;
      }
  
      bb6: {
          StorageLive(_11);
          _11 = &(((*_7) as V1).0: i32);
          _9 = _11;
          StorageDead(_11);
          goto -> bb7;
      }
  
      bb7: {
          _0 = const ();
          StorageDead(_9);
          StorageDead(_7);
          StorageDead(_3);
          StorageDead(_1);
          return;
      }
  }
  
  alloc2 (static: RC, size: 8, align: 8) {
      ╾───────alloc14───────╼                         │ ╾──────╼
  }
  
  alloc14 (size: 8, align: 4) {
      01 00 00 00 04 00 00 00                         │ ........
  }
  
  alloc1 (static: statics::C, size: 8, align: 4) {
      00 00 00 00 00 00 00 00                         │ ........
  }