- // MIR for `is_line_doc_comment_2` before DeduplicateBlocks
+ // MIR for `is_line_doc_comment_2` after DeduplicateBlocks
  
  fn is_line_doc_comment_2(_1: &str) -> bool {
      debug s => _1;
      let mut _0: bool;
      let mut _2: &[u8];
      let mut _3: &str;
      let mut _4: usize;
      let mut _5: usize;
      let mut _6: bool;
      let mut _7: usize;
      let mut _8: usize;
      let mut _9: bool;
  
      bb0: {
          StorageLive(_2);
          StorageLive(_3);
          _3 = &(*_1);
          _2 = core::str::<impl str>::as_bytes(move _3) -> [return: bb1, unwind continue];
      }
  
      bb1: {
          StorageDead(_3);
          _4 = Len((*_2));
          _5 = const 4_usize;
          _6 = Ge(move _4, move _5);
          switchInt(move _6) -> [0: bb2, otherwise: bb3];
      }
  
      bb2: {
          _7 = Len((*_2));
          _8 = const 3_usize;
          _9 = Ge(move _7, move _8);
-         switchInt(move _9) -> [0: bb7, otherwise: bb8];
+         switchInt(move _9) -> [0: bb11, otherwise: bb7];
      }
  
      bb3: {
          switchInt(copy (*_2)[0 of 4]) -> [47: bb4, otherwise: bb2];
      }
  
      bb4: {
          switchInt(copy (*_2)[1 of 4]) -> [47: bb5, otherwise: bb2];
      }
  
      bb5: {
          switchInt(copy (*_2)[2 of 4]) -> [47: bb6, otherwise: bb2];
      }
  
      bb6: {
-         switchInt(copy (*_2)[3 of 4]) -> [47: bb13, otherwise: bb2];
+         switchInt(copy (*_2)[3 of 4]) -> [47: bb11, otherwise: bb2];
      }
  
      bb7: {
-         _0 = const false;
-         goto -> bb14;
+         switchInt(copy (*_2)[0 of 3]) -> [47: bb8, otherwise: bb11];
      }
  
      bb8: {
-         switchInt(copy (*_2)[0 of 3]) -> [47: bb9, otherwise: bb7];
+         switchInt(copy (*_2)[1 of 3]) -> [47: bb9, otherwise: bb11];
      }
  
      bb9: {
-         switchInt(copy (*_2)[1 of 3]) -> [47: bb10, otherwise: bb7];
+         switchInt(copy (*_2)[2 of 3]) -> [47: bb10, 33: bb10, otherwise: bb11];
      }
  
      bb10: {
-         switchInt(copy (*_2)[2 of 3]) -> [47: bb12, 33: bb11, otherwise: bb7];
-     }
- 
-     bb11: {
          _0 = const true;
-         goto -> bb14;
+         goto -> bb12;
      }
  
-     bb12: {
-         _0 = const true;
-         goto -> bb14;
-     }
- 
-     bb13: {
+     bb11: {
          _0 = const false;
-         goto -> bb14;
+         goto -> bb12;
      }
  
-     bb14: {
+     bb12: {
          StorageDead(_2);
          return;
      }
  }