error[E0308]: mismatched types
  --> $DIR/different_byref.rs:13:9
   |
LL |     x = Const::<{ [4] }> {};
   |         ^^^^^^^^^^^^^^^^^^^ expected `3_usize`, found `4_usize`
   |
   = note: expected type `[3_usize]`
              found type `[4_usize]`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0308`.