- // MIR for `test` before SimplifyComparisonIntegral
+ // MIR for `test` after SimplifyComparisonIntegral
  
  fn test(_1: T) -> () {
      debug x => _1;
      let mut _0: ();
      let _2: &[T];
      let _3: &[T; 3];
      let _4: [T; 3];
      let mut _8: !;
      scope 1 {
          debug v => _2;
          let _5: &T;
          let _6: &T;
          let _7: &T;
          scope 2 {
              debug v1 => _5;
              debug v2 => _6;
              debug v3 => _7;
          }
      }
  
      bb0: {
          StorageLive(_4);
          _4 = [copy _1, copy _1, copy _1];
          _3 = &_4;
          _2 = copy _3 as &[T] (PointerCoercion(Unsize, Implicit));
          goto -> bb2;
      }
  
      bb1: {
          _8 = core::panicking::panic(const "internal error: entered unreachable code") -> unwind unreachable;
      }
  
      bb2: {
          StorageLive(_5);
          _5 = &(*_2)[0 of 3];
          StorageLive(_6);
          _6 = &(*_2)[1 of 3];
          StorageLive(_7);
          _7 = &(*_2)[2 of 3];
          StorageDead(_7);
          StorageDead(_6);
          StorageDead(_5);
          StorageDead(_4);
          return;
      }
  }
  
  ALLOC0 (size: 40, align: 1) {
      0x00 │ 69 6e 74 65 72 6e 61 6c 20 65 72 72 6f 72 3a 20 │ internal error: 
      0x10 │ 65 6e 74 65 72 65 64 20 75 6e 72 65 61 63 68 61 │ entered unreacha
      0x20 │ 62 6c 65 20 63 6f 64 65                         │ ble code
  }