- // MIR for `main` before ElaborateDrops
+ // MIR for `main` after ElaborateDrops
  
  fn main() -> () {
      let mut _0: ();
      let _1: E;
      let mut _2: bool;
      let mut _3: E;
      let mut _4: K;
      let mut _5: isize;
+     let mut _7: bool;
+     let mut _8: bool;
+     let mut _9: isize;
+     let mut _10: isize;
      scope 1 {
          debug e => _1;
          scope 2 {
              debug _k => _6;
              let _6: K;
          }
      }
  
      bb0: {
+         _7 = const false;
+         _8 = const false;
          StorageLive(_1);
          StorageLive(_2);
          _2 = cond() -> [return: bb1, unwind: bb11];
      }
  
      bb1: {
          switchInt(move _2) -> [0: bb8, otherwise: bb2];
      }
  
      bb2: {
          StorageLive(_3);
          StorageLive(_4);
          _4 = K;
          _3 = E::F(move _4);
          StorageDead(_4);
-         drop(_1) -> [return: bb3, unwind: bb4];
+         goto -> bb3;
      }
  
      bb3: {
+         _7 = const true;
+         _8 = const true;
          _1 = move _3;
-         drop(_3) -> [return: bb5, unwind: bb11];
+         goto -> bb5;
      }
  
      bb4 (cleanup): {
+         _7 = const true;
+         _8 = const true;
          _1 = move _3;
-         drop(_3) -> [return: bb11, unwind terminate(cleanup)];
+         goto -> bb11;
      }
  
      bb5: {
          StorageDead(_3);
          PlaceMention(_1);
          _5 = discriminant(_1);
          switchInt(move _5) -> [0: bb6, otherwise: bb7];
      }
  
      bb6: {
          StorageLive(_6);
          _6 = move ((_1 as F).0: K);
          _0 = const ();
          StorageDead(_6);
          goto -> bb9;
      }
  
      bb7: {
          _0 = const ();
          goto -> bb9;
      }
  
      bb8: {
          _0 = const ();
          goto -> bb9;
      }
  
      bb9: {
          StorageDead(_2);
-         drop(_1) -> [return: bb10, unwind: bb12];
+         goto -> bb19;
      }
  
      bb10: {
+         _7 = const false;
+         _8 = const false;
          StorageDead(_1);
          return;
      }
  
      bb11 (cleanup): {
-         drop(_1) -> [return: bb12, unwind terminate(cleanup)];
+         goto -> bb12;
      }
  
      bb12 (cleanup): {
          resume;
+     }
+ 
+     bb13: {
+         _7 = const false;
+         goto -> bb10;
+     }
+ 
+     bb14 (cleanup): {
+         drop(((_1 as F).0: K)) -> [return: bb12, unwind terminate(cleanup)];
+     }
+ 
+     bb15 (cleanup): {
+         switchInt(_7) -> [0: bb12, otherwise: bb14];
+     }
+ 
+     bb16: {
+         drop(_1) -> [return: bb13, unwind: bb12];
+     }
+ 
+     bb17 (cleanup): {
+         drop(_1) -> [return: bb12, unwind terminate(cleanup)];
+     }
+ 
+     bb18: {
+         _9 = discriminant(_1);
+         switchInt(move _9) -> [0: bb13, otherwise: bb16];
+     }
+ 
+     bb19: {
+         switchInt(_7) -> [0: bb13, otherwise: bb18];
+     }
+ 
+     bb20 (cleanup): {
+         _10 = discriminant(_1);
+         switchInt(move _10) -> [0: bb15, otherwise: bb17];
+     }
+ 
+     bb21 (cleanup): {
+         switchInt(_7) -> [0: bb12, otherwise: bb20];
      }
  }