rust/tests/mir-opt/lower_array_len.array_len_reborrow.GVN.panic-unwind.diff

- // MIR for `array_len_reborrow` before GVN
+ // MIR for `array_len_reborrow` after GVN
  
  fn array_len_reborrow(_1: [u8; N]) -> usize {
      debug arr => _1;
      let mut _0: usize;
      let _2: &mut [u8];
      let mut _3: &mut [u8; N];
      let mut _4: &mut [u8; N];
      let mut _6: &[u8];
      scope 1 {
          debug arr => _2;
          let _5: &[u8];
          scope 2 {
              debug arr => _5;
          }
      }
  
      bb0: {
-         StorageLive(_2);
+         nop;
          StorageLive(_3);
          StorageLive(_4);
          _4 = &mut _1;
          _3 = &mut (*_4);
          _2 = move _3 as &mut [u8] (PointerCoercion(Unsize, Implicit));
          StorageDead(_3);
          StorageDead(_4);
          StorageLive(_5);
          _5 = &(*_2);
          StorageLive(_6);
          _6 = &(*_5);
-         _0 = PtrMetadata(move _6);
+         _0 = const N;
          goto -> bb1;
      }
  
      bb1: {
          StorageDead(_6);
          StorageDead(_5);
-         StorageDead(_2);
+         nop;
          return;
      }
  }