- // MIR for `generic_cast_metadata` before GVN
+ // MIR for `generic_cast_metadata` after GVN
  
  fn generic_cast_metadata(_1: *const [T], _2: *const A, _3: *const B) -> () {
      let mut _0: ();
      let mut _4: *const T;
      let mut _5: ();
      let mut _6: *const (&A, [T]);
      let mut _7: usize;
      let mut _8: *const (T, B);
      let mut _9: <B as std::ptr::Pointee>::Metadata;
      let mut _10: *const (T, A);
      let mut _11: <A as std::ptr::Pointee>::Metadata;
      let mut _12: *mut A;
      let mut _13: <A as std::ptr::Pointee>::Metadata;
      let mut _14: *mut B;
      let mut _15: <B as std::ptr::Pointee>::Metadata;
  
      bb0: {
          _4 = copy _1 as *const T (PtrToPtr);
          _5 = PtrMetadata(copy _4);
          _6 = copy _1 as *const (&A, [T]) (PtrToPtr);
-         _7 = PtrMetadata(copy _6);
+         _7 = PtrMetadata(copy _1);
          _8 = copy _2 as *const (T, B) (PtrToPtr);
          _9 = PtrMetadata(copy _8);
          _10 = copy _2 as *const (T, A) (PtrToPtr);
-         _11 = PtrMetadata(copy _10);
+         _11 = PtrMetadata(copy _2);
          _12 = copy _3 as *mut A (PtrToPtr);
          _13 = PtrMetadata(copy _12);
          _14 = copy _3 as *mut B (PtrToPtr);
-         _15 = PtrMetadata(copy _14);
+         _15 = PtrMetadata(copy _3);
          return;
      }
  }