/// Converts a reference to T into a slice of length 1 (without copying).
#[stable(feature = "from_ref", since = "1.28.0")]
-#[rustc_const_unstable(feature = "const_slice_from_ref", issue = "90206")]
+#[rustc_const_stable(feature = "const_slice_from_ref_shared", since = "1.63.0")]
#[must_use]
pub const fn from_ref<T>(s: &T) -> &[T] {
array::from_ref(s)