- // MIR for `match_const_debug` before SingleUseConsts
+ // MIR for `match_const_debug` after SingleUseConsts
  
  fn match_const_debug() -> &str {
      let mut _0: &str;
      let _1: i32;
      let _2: ();
      scope 1 {
-         debug my_int => _1;
+         debug my_int => const <T as MyTrait>::ASSOC_INT;
      }
  
      bb0: {
          StorageLive(_1);
-         _1 = const <T as MyTrait>::ASSOC_INT;
+         nop;
          StorageLive(_2);
          _2 = do_whatever() -> [return: bb1, unwind unreachable];
      }
  
      bb1: {
          StorageDead(_2);
-         switchInt(copy _1) -> [7: bb4, 42: bb3, otherwise: bb2];
+         switchInt(const <T as MyTrait>::ASSOC_INT) -> [7: bb4, 42: bb3, otherwise: bb2];
      }
  
      bb2: {
          _0 = const "world";
          goto -> bb5;
      }
  
      bb3: {
          _0 = const "towel";
          goto -> bb5;
      }
  
      bb4: {
          _0 = const "hello";
          goto -> bb5;
      }
  
      bb5: {
          StorageDead(_1);
          return;
      }
  }