From b46b05d1d2374a788787ce3d850d06794a6174c0 Mon Sep 17 00:00:00 2001
From: Trevor Spiteri <tspiteri@ieee.org>
Date: Mon, 20 Feb 2023 16:55:24 +0100
Subject: [PATCH] Stabilize const slice::split_at

This stabilizes the use of the following method in const context:

    impl<T> [T] {
        pub const fn split_at(&self, mid: usize) -> (&[T], &[T]);
    }
---
 library/core/src/slice/mod.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs
index e8374784501..fae5ce4128a 100644
--- a/library/core/src/slice/mod.rs
+++ b/library/core/src/slice/mod.rs
@@ -1596,7 +1596,8 @@ pub fn group_by_mut<F>(&mut self, pred: F) -> GroupByMut<'_, T, F>
     /// }
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_unstable(feature = "const_slice_split_at_not_mut", issue = "101158")]
+    #[rustc_const_stable(feature = "const_slice_split_at_not_mut", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_allow_const_fn_unstable(slice_split_at_unchecked)]
     #[inline]
     #[track_caller]
     #[must_use]