Stabilize const versions of ptr::slice_from_raw_parts and slice::from_raw_parts.

compiler/rustc_codegen_cranelift/example/issue-91827-extern-types.rs

@@ -6,7 +6,6 @@
 // Regression test for issue #91827.
 
 #![feature(const_ptr_offset_from)]
-#![feature(const_slice_from_raw_parts)]
 #![feature(extern_types)]
 
 use std::ptr::addr_of;

library/core/src/lib.rs

@@ -134,7 +134,7 @@
 #![feature(const_ptr_write)]
 #![feature(const_raw_ptr_comparison)]
 #![feature(const_size_of_val)]
-#![feature(const_slice_from_raw_parts)]
+#![feature(const_slice_from_raw_parts_mut)]
 #![feature(const_slice_ptr_len)]
 #![feature(const_str_from_utf8_unchecked_mut)]
 #![feature(const_swap)]

library/core/src/ptr/metadata.rs

@@ -105,7 +105,7 @@ pub const fn metadata<T: ?Sized>(ptr: *const T) -> <T as Pointee>::Metadata {
 ///
 /// [`slice::from_raw_parts`]: crate::slice::from_raw_parts
 #[unstable(feature = "ptr_metadata", issue = "81513")]
-#[rustc_const_unstable(feature = "ptr_metadata", issue = "81513")]
+#[rustc_const_stable(feature = "ptr_metadata", since = "1.62.0")]
 #[inline]
 pub const fn from_raw_parts<T: ?Sized>(
     data_address: *const (),

library/core/src/ptr/mod.rs

@@ -679,7 +679,7 @@ where
 /// ```
 #[inline]
 #[stable(feature = "slice_from_raw_parts", since = "1.42.0")]
-#[rustc_const_unstable(feature = "const_slice_from_raw_parts", issue = "67456")]
+#[rustc_const_stable(feature = "const_slice_from_raw_parts", since = "1.62.0")]
 pub const fn slice_from_raw_parts<T>(data: *const T, len: usize) -> *const [T] {
     from_raw_parts(data.cast(), len)
 }
@@ -711,7 +711,7 @@ pub const fn slice_from_raw_parts<T>(data: *const T, len: usize) -> *const [T] {
 /// ```
 #[inline]
 #[stable(feature = "slice_from_raw_parts", since = "1.42.0")]
-#[rustc_const_unstable(feature = "const_slice_from_raw_parts", issue = "67456")]
+#[rustc_const_unstable(feature = "const_slice_from_raw_parts_mut", issue = "67456")]
 pub const fn slice_from_raw_parts_mut<T>(data: *mut T, len: usize) -> *mut [T] {
     from_raw_parts_mut(data.cast(), len)
 }

library/core/src/slice/raw.rs

@@ -85,7 +85,7 @@ use crate::ptr;
 /// [`NonNull::dangling()`]: ptr::NonNull::dangling
 #[inline]
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_const_unstable(feature = "const_slice_from_raw_parts", issue = "67456")]
+#[rustc_const_stable(feature = "const_slice_from_raw_parts", since = "1.62.0")]
 #[must_use]
 pub const unsafe fn from_raw_parts<'a, T>(data: *const T, len: usize) -> &'a [T] {
     // SAFETY: the caller must uphold the safety contract for `from_raw_parts`.
@@ -129,7 +129,7 @@ pub const unsafe fn from_raw_parts<'a, T>(data: *const T, len: usize) -> &'a [T]
 /// [`NonNull::dangling()`]: ptr::NonNull::dangling
 #[inline]
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_const_unstable(feature = "const_slice_from_raw_parts", issue = "67456")]
+#[rustc_const_unstable(feature = "const_slice_from_raw_parts_mut", issue = "67456")]
 #[must_use]
 pub const unsafe fn from_raw_parts_mut<'a, T>(data: *mut T, len: usize) -> &'a mut [T] {
     // SAFETY: the caller must uphold the safety contract for `from_raw_parts_mut`.

library/core/tests/lib.rs

@@ -72,7 +72,6 @@
 #![feature(iterator_try_reduce)]
 #![feature(const_mut_refs)]
 #![feature(const_pin)]
-#![feature(const_slice_from_raw_parts)]
 #![feature(never_type)]
 #![feature(unwrap_infallible)]
 #![feature(result_into_ok_or_err)]

src/test/ui/consts/const-eval/issue-91827-extern-types.rs

@@ -4,7 +4,6 @@
 // Regression test for issue #91827.
 
 #![feature(const_ptr_offset_from)]
-#![feature(const_slice_from_raw_parts)]
 #![feature(extern_types)]
 
 use std::ptr::addr_of;

src/test/ui/consts/const-size_of_val-align_of_val.rs

@@ -2,7 +2,6 @@
 
 #![feature(const_size_of_val, const_align_of_val)]
 #![feature(const_size_of_val_raw, const_align_of_val_raw, layout_for_ptr)]
-#![feature(const_slice_from_raw_parts)]
 
 use std::{mem, ptr};