diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs
index 43124535ab5..6ea80c8d42f 100644
--- a/library/core/src/intrinsics.rs
+++ b/library/core/src/intrinsics.rs
@@ -2749,13 +2749,13 @@ pub(crate) fn is_nonoverlapping<T>(src: *const T, dst: *const T, count: usize) -
 #[doc(alias = "memcpy")]
 #[stable(feature = "rust1", since = "1.0.0")]
 #[rustc_allowed_through_unstable_modules]
-#[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")]
+#[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")]
 #[inline(always)]
 #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
 #[rustc_diagnostic_item = "ptr_copy_nonoverlapping"]
 pub const unsafe fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize) {
     extern "rust-intrinsic" {
-        #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")]
+        #[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")]
         #[rustc_nounwind]
         pub fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize);
     }
@@ -2845,13 +2845,13 @@ pub(crate) fn is_nonoverlapping<T>(src: *const T, dst: *const T, count: usize) -
 #[doc(alias = "memmove")]
 #[stable(feature = "rust1", since = "1.0.0")]
 #[rustc_allowed_through_unstable_modules]
-#[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")]
+#[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")]
 #[inline(always)]
 #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
 #[rustc_diagnostic_item = "ptr_copy"]
 pub const unsafe fn copy<T>(src: *const T, dst: *mut T, count: usize) {
     extern "rust-intrinsic" {
-        #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")]
+        #[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")]
         #[rustc_nounwind]
         fn copy<T>(src: *const T, dst: *mut T, count: usize);
     }
diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs
index a3279dcafef..09d589f7cd8 100644
--- a/library/core/src/lib.rs
+++ b/library/core/src/lib.rs
@@ -135,6 +135,7 @@
 #![feature(const_hint_assert_unchecked)]
 #![feature(const_index_range_slice_index)]
 #![feature(const_int_unchecked_arith)]
+#![feature(const_intrinsic_copy)]
 #![feature(const_intrinsic_forget)]
 #![feature(const_ipv4)]
 #![feature(const_ipv6)]
diff --git a/library/core/src/ptr/const_ptr.rs b/library/core/src/ptr/const_ptr.rs
index f3ceadee24c..1d5d683fa16 100644
--- a/library/core/src/ptr/const_ptr.rs
+++ b/library/core/src/ptr/const_ptr.rs
@@ -1284,7 +1284,7 @@ pub unsafe fn read_volatile(self) -> T
     /// See [`ptr::copy`] for safety concerns and examples.
     ///
     /// [`ptr::copy`]: crate::ptr::copy()
-    #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")]
+    #[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")]
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
@@ -1304,7 +1304,7 @@ pub unsafe fn read_volatile(self) -> T
     /// See [`ptr::copy_nonoverlapping`] for safety concerns and examples.
     ///
     /// [`ptr::copy_nonoverlapping`]: crate::ptr::copy_nonoverlapping()
-    #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")]
+    #[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")]
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline]
     #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs
index dce7e035fc7..bc05b5b07de 100644
--- a/library/core/src/ptr/mod.rs
+++ b/library/core/src/ptr/mod.rs
@@ -1176,7 +1176,6 @@ macro_rules! attempt_swap_as_chunks {
 #[inline]
 #[stable(feature = "rust1", since = "1.0.0")]
 #[rustc_const_stable(feature = "const_ptr_read", since = "1.71.0")]
-#[rustc_allow_const_fn_unstable(const_mut_refs, const_maybe_uninit_as_mut_ptr)]
 #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
 #[rustc_diagnostic_item = "ptr_read"]
 pub const unsafe fn read<T>(src: *const T) -> T {
@@ -1294,7 +1293,11 @@ macro_rules! attempt_swap_as_chunks {
 #[inline]
 #[stable(feature = "ptr_unaligned", since = "1.17.0")]
 #[rustc_const_stable(feature = "const_ptr_read", since = "1.71.0")]
-#[rustc_allow_const_fn_unstable(const_mut_refs, const_maybe_uninit_as_mut_ptr)]
+#[rustc_allow_const_fn_unstable(
+    const_mut_refs,
+    const_maybe_uninit_as_mut_ptr,
+    const_intrinsic_copy
+)]
 #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
 #[rustc_diagnostic_item = "ptr_read_unaligned"]
 pub const unsafe fn read_unaligned<T>(src: *const T) -> T {
diff --git a/library/core/src/ptr/mut_ptr.rs b/library/core/src/ptr/mut_ptr.rs
index 3e47c4f440a..376673d67c1 100644
--- a/library/core/src/ptr/mut_ptr.rs
+++ b/library/core/src/ptr/mut_ptr.rs
@@ -1385,7 +1385,7 @@ pub unsafe fn read_volatile(self) -> T
     /// See [`ptr::copy`] for safety concerns and examples.
     ///
     /// [`ptr::copy`]: crate::ptr::copy()
-    #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")]
+    #[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")]
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline(always)]
     #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
@@ -1405,7 +1405,7 @@ pub unsafe fn read_volatile(self) -> T
     /// See [`ptr::copy_nonoverlapping`] for safety concerns and examples.
     ///
     /// [`ptr::copy_nonoverlapping`]: crate::ptr::copy_nonoverlapping()
-    #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")]
+    #[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")]
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline(always)]
     #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
@@ -1425,7 +1425,7 @@ pub unsafe fn read_volatile(self) -> T
     /// See [`ptr::copy`] for safety concerns and examples.
     ///
     /// [`ptr::copy`]: crate::ptr::copy()
-    #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")]
+    #[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")]
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline(always)]
     #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
@@ -1445,7 +1445,7 @@ pub unsafe fn read_volatile(self) -> T
     /// See [`ptr::copy_nonoverlapping`] for safety concerns and examples.
     ///
     /// [`ptr::copy_nonoverlapping`]: crate::ptr::copy_nonoverlapping()
-    #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")]
+    #[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")]
     #[stable(feature = "pointer_methods", since = "1.26.0")]
     #[inline(always)]
     #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
diff --git a/library/core/tests/lib.rs b/library/core/tests/lib.rs
index 9a3b477c2d1..15298e1c816 100644
--- a/library/core/tests/lib.rs
+++ b/library/core/tests/lib.rs
@@ -14,6 +14,7 @@
 #![feature(const_cell_into_inner)]
 #![feature(const_hash)]
 #![feature(const_heap)]
+#![feature(const_intrinsic_copy)]
 #![feature(const_maybe_uninit_as_mut_ptr)]
 #![feature(const_nonnull_new)]
 #![feature(const_pointer_is_aligned)]
diff --git a/tests/ui/consts/const-eval/raw-pointer-ub.rs b/tests/ui/consts/const-eval/raw-pointer-ub.rs
index 3341f3c78e0..47105de453c 100644
--- a/tests/ui/consts/const-eval/raw-pointer-ub.rs
+++ b/tests/ui/consts/const-eval/raw-pointer-ub.rs
@@ -1,4 +1,4 @@
-#![feature(const_mut_refs)]
+#![feature(const_mut_refs, const_intrinsic_copy)]
 
 
 const MISALIGNED_LOAD: () = unsafe {