- // MIR for `f` before CopyProp
+ // MIR for `f` after CopyProp
  
  fn f(_1: NotCopy) -> () {
      let mut _0: ();
      let mut _2: NotCopy;
      let mut _3: NotCopy;
  
      bb0: {
-         _2 = copy _1;
-         _0 = opaque::<NotCopy>(move _1) -> [return: bb1, unwind unreachable];
+         _0 = opaque::<NotCopy>(copy _1) -> [return: bb1, unwind unreachable];
      }
  
      bb1: {
-         _3 = move _2;
-         _0 = opaque::<NotCopy>(copy _3) -> [return: bb2, unwind unreachable];
+         _0 = opaque::<NotCopy>(copy _1) -> [return: bb2, unwind unreachable];
      }
  
      bb2: {
          return;
      }
  }