- // MIR for `discriminant` before LowerIntrinsics
+ // MIR for `discriminant` after LowerIntrinsics
  
  fn discriminant(_1: T) -> () {
      debug t => _1;
      let mut _0: ();
      let _2: <T as std::marker::DiscriminantKind>::Discriminant;
      let mut _3: &T;
      let _4: &T;
      let _5: u8;
      let mut _6: &i32;
      let _7: &i32;
      let _8: i32;
      let _9: u8;
      let mut _10: &();
      let _11: &();
      let _12: ();
      let _13: isize;
      let mut _14: &E;
      let _15: &E;
      let _16: E;
      let mut _17: &E;
      let mut _18: &();
      let mut _19: &i32;
  
      bb0: {
          StorageLive(_2);
          StorageLive(_3);
          StorageLive(_4);
          _4 = &_1;
          _3 = &(*_4);
-         _2 = discriminant_value::<T>(move _3) -> [return: bb1, unwind unreachable];
+         _2 = discriminant((*_3));
+         goto -> bb1;
      }
  
      bb1: {
          StorageDead(_3);
          StorageDead(_4);
          StorageDead(_2);
          StorageLive(_5);
          StorageLive(_6);
          StorageLive(_7);
          _19 = const discriminant::<T>::promoted[2];
          _7 = &(*_19);
          _6 = &(*_7);
-         _5 = discriminant_value::<i32>(move _6) -> [return: bb2, unwind unreachable];
+         _5 = discriminant((*_6));
+         goto -> bb2;
      }
  
      bb2: {
          StorageDead(_6);
          StorageDead(_7);
          StorageDead(_5);
          StorageLive(_9);
          StorageLive(_10);
          StorageLive(_11);
          _18 = const discriminant::<T>::promoted[1];
          _11 = &(*_18);
          _10 = &(*_11);
-         _9 = discriminant_value::<()>(move _10) -> [return: bb3, unwind unreachable];
+         _9 = discriminant((*_10));
+         goto -> bb3;
      }
  
      bb3: {
          StorageDead(_10);
          StorageDead(_11);
          StorageDead(_9);
          StorageLive(_13);
          StorageLive(_14);
          StorageLive(_15);
          _17 = const discriminant::<T>::promoted[0];
          _15 = &(*_17);
          _14 = &(*_15);
-         _13 = discriminant_value::<E>(move _14) -> [return: bb4, unwind unreachable];
+         _13 = discriminant((*_14));
+         goto -> bb4;
      }
  
      bb4: {
          StorageDead(_14);
          StorageDead(_15);
          StorageDead(_13);
          _0 = const ();
          drop(_1) -> [return: bb5, unwind: bb6];
      }
  
      bb5: {
          return;
      }
  
      bb6 (cleanup): {
          resume;
      }
  }