error[E0080]: evaluation of constant value failed
  --> $SRC_DIR/core/src/slice/index.rs:LL:COL
   |
   = note: overflow executing `unchecked_sub`
   |
note: inside `<std::ops::Range<usize> as SliceIndex<[()]>>::get_unchecked`
  --> $SRC_DIR/core/src/slice/index.rs:LL:COL
note: inside `core::slice::<impl [()]>::get_unchecked::<std::ops::Range<usize>>`
  --> $SRC_DIR/core/src/slice/mod.rs:LL:COL
note: inside `B`
  --> $DIR/ub-slice-get-unchecked.rs:7:27
   |
LL | const B: &[()] = unsafe { A.get_unchecked(3..1) };
   |                           ^^^^^^^^^^^^^^^^^^^^^

error: aborting due to previous error

For more information about this error, try `rustc --explain E0080`.