replace placeholder version

(cherry picked from commit 567fd96)

core/src/array/mod.rs

@@ -146,7 +146,7 @@ pub const fn from_ref<T>(s: &T) -> &[T; 1] {
 
 /// Converts a mutable reference to `T` into a mutable reference to an array of length 1 (without copying).
 #[stable(feature = "array_from_ref", since = "1.53.0")]
-#[rustc_const_stable(feature = "const_array_from_ref", since = "CURRENT_RUSTC_VERSION")]
+#[rustc_const_stable(feature = "const_array_from_ref", since = "1.83.0")]
 #[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
 pub const fn from_mut<T>(s: &mut T) -> &mut [T; 1] {
     // SAFETY: Converting `&mut T` to `&mut [T; 1]` is sound.

core/src/cell.rs

@@ -515,7 +515,7 @@ impl<T> Cell<T> {
     /// assert_eq!(five, 5);
     /// ```
     #[stable(feature = "move_cell", since = "1.17.0")]
-    #[rustc_const_stable(feature = "const_cell_into_inner", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_cell_into_inner", since = "1.83.0")]
     #[rustc_allow_const_fn_unstable(const_precise_live_drops)]
     pub const fn into_inner(self) -> T {
         self.value.into_inner()
@@ -864,7 +864,7 @@ impl<T> RefCell<T> {
     /// let five = c.into_inner();
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_cell_into_inner", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_cell_into_inner", since = "1.83.0")]
     #[rustc_allow_const_fn_unstable(const_precise_live_drops)]
     #[inline]
     pub const fn into_inner(self) -> T {
@@ -2108,7 +2108,7 @@ impl<T> UnsafeCell<T> {
     /// ```
     #[inline(always)]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_cell_into_inner", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_cell_into_inner", since = "1.83.0")]
     #[rustc_allow_const_fn_unstable(const_precise_live_drops)]
     pub const fn into_inner(self) -> T {
         self.value
@@ -2182,7 +2182,7 @@ impl<T: ?Sized> UnsafeCell<T> {
     #[inline(always)]
     #[stable(feature = "unsafe_cell_get_mut", since = "1.50.0")]
     #[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
-    #[rustc_const_stable(feature = "const_unsafecell_get_mut", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_unsafecell_get_mut", since = "1.83.0")]
     pub const fn get_mut(&mut self) -> &mut T {
         &mut self.value
     }

core/src/cell/once.rs

@@ -309,7 +309,7 @@ impl<T> OnceCell<T> {
     /// ```
     #[inline]
     #[stable(feature = "once_cell", since = "1.70.0")]
-    #[rustc_const_stable(feature = "const_cell_into_inner", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_cell_into_inner", since = "1.83.0")]
     #[rustc_allow_const_fn_unstable(const_precise_live_drops)]
     pub const fn into_inner(self) -> Option<T> {
         // Because `into_inner` takes `self` by value, the compiler statically verifies

core/src/char/methods.rs

@@ -36,7 +36,7 @@ impl char {
     /// let value_at_min = u32::from(char::MIN);
     /// assert_eq!(char::from_u32(value_at_min), Some('\0'));
     /// ```
-    #[stable(feature = "char_min", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "char_min", since = "1.83.0")]
     pub const MIN: char = '\0';
 
     /// The highest valid code point a `char` can have, `'\u{10FFFF}'`.
@@ -674,7 +674,7 @@ impl char {
     /// 'ß'.encode_utf8(&mut b);
     /// ```
     #[stable(feature = "unicode_encode_char", since = "1.15.0")]
-    #[rustc_const_stable(feature = "const_char_encode_utf8", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_char_encode_utf8", since = "1.83.0")]
     #[inline]
     #[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
     pub const fn encode_utf8(self, dst: &mut [u8]) -> &mut str {
@@ -1773,7 +1773,7 @@ const fn len_utf16(code: u32) -> usize {
 /// Panics if the buffer is not large enough.
 /// A buffer of length four is large enough to encode any `char`.
 #[unstable(feature = "char_internals", reason = "exposed only for libstd", issue = "none")]
-#[rustc_const_stable(feature = "const_char_encode_utf8", since = "CURRENT_RUSTC_VERSION")]
+#[rustc_const_stable(feature = "const_char_encode_utf8", since = "1.83.0")]
 #[doc(hidden)]
 #[inline]
 #[rustc_allow_const_fn_unstable(const_eval_select)]

core/src/fmt/builders.rs

@@ -383,7 +383,7 @@ impl<'a, 'b: 'a> DebugTuple<'a, 'b> {
     ///     "Foo(10, ..)",
     /// );
     /// ```
-    #[stable(feature = "debug_more_non_exhaustive", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "debug_more_non_exhaustive", since = "1.83.0")]
     pub fn finish_non_exhaustive(&mut self) -> fmt::Result {
         self.result = self.result.and_then(|_| {
             if self.fields > 0 {
@@ -626,7 +626,7 @@ impl<'a, 'b: 'a> DebugSet<'a, 'b> {
     ///     "{1, 2, ..}",
     /// );
     /// ```
-    #[stable(feature = "debug_more_non_exhaustive", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "debug_more_non_exhaustive", since = "1.83.0")]
     pub fn finish_non_exhaustive(&mut self) -> fmt::Result {
         self.inner.result = self.inner.result.and_then(|_| {
             if self.inner.has_fields {
@@ -818,7 +818,7 @@ impl<'a, 'b: 'a> DebugList<'a, 'b> {
     ///     "[1, 2, ..]",
     /// );
     /// ```
-    #[stable(feature = "debug_more_non_exhaustive", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "debug_more_non_exhaustive", since = "1.83.0")]
     pub fn finish_non_exhaustive(&mut self) -> fmt::Result {
         self.inner.result.and_then(|_| {
             if self.inner.has_fields {
@@ -1146,7 +1146,7 @@ impl<'a, 'b: 'a> DebugMap<'a, 'b> {
     ///     r#"{"A": 10, "B": 11, ..}"#,
     /// );
     /// ```
-    #[stable(feature = "debug_more_non_exhaustive", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "debug_more_non_exhaustive", since = "1.83.0")]
     pub fn finish_non_exhaustive(&mut self) -> fmt::Result {
         self.result = self.result.and_then(|_| {
             assert!(!self.has_key, "attempted to finish a map with a partial entry");

core/src/intrinsics.rs

@@ -1085,7 +1085,7 @@ extern "rust-intrinsic" {
     /// it does not require an `unsafe` block.
     /// Therefore, implementations must not require the user to uphold
     /// any safety invariants.
-    #[rustc_const_stable(feature = "const_intrinsic_forget", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_intrinsic_forget", since = "1.83.0")]
     #[rustc_safe_intrinsic]
     #[rustc_nounwind]
     pub fn forget<T: ?Sized>(_: T);
@@ -2541,7 +2541,7 @@ extern "rust-intrinsic" {
     /// This intrinsic can *only* be called where the pointer is a local without
     /// projections (`write_via_move(ptr, x)`, not `write_via_move(*ptr, x)`) so
     /// that it trivially obeys runtime-MIR rules about derefs in operands.
-    #[rustc_const_stable(feature = "const_ptr_write", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_ptr_write", since = "1.83.0")]
     #[rustc_nounwind]
     pub fn write_via_move<T>(ptr: *mut T, value: T);
 
@@ -3070,7 +3070,7 @@ pub const fn type_id<T: ?Sized + 'static>() -> u128 {
 /// change the possible layouts of pointers.
 #[rustc_nounwind]
 #[unstable(feature = "core_intrinsics", issue = "none")]
-#[rustc_const_stable(feature = "ptr_metadata_const", since = "CURRENT_RUSTC_VERSION")]
+#[rustc_const_stable(feature = "ptr_metadata_const", since = "1.83.0")]
 #[rustc_intrinsic]
 #[rustc_intrinsic_must_be_overridden]
 pub const fn aggregate_raw_ptr<P: AggregateRawPtr<D, Metadata = M>, D, M>(_data: D, _meta: M) -> P {
@@ -3095,7 +3095,7 @@ impl<P: ?Sized, T: ptr::Thin> AggregateRawPtr<*mut T> for *mut P {
 /// This is used to implement functions like `ptr::metadata`.
 #[rustc_nounwind]
 #[unstable(feature = "core_intrinsics", issue = "none")]
-#[rustc_const_stable(feature = "ptr_metadata_const", since = "CURRENT_RUSTC_VERSION")]
+#[rustc_const_stable(feature = "ptr_metadata_const", since = "1.83.0")]
 #[rustc_intrinsic]
 #[rustc_intrinsic_must_be_overridden]
 pub const fn ptr_metadata<P: ptr::Pointee<Metadata = M> + ?Sized, M>(_ptr: *const P) -> M {
@@ -3196,13 +3196,13 @@ pub const fn ptr_metadata<P: ptr::Pointee<Metadata = M> + ?Sized, M>(_ptr: *cons
 #[doc(alias = "memcpy")]
 #[stable(feature = "rust1", since = "1.0.0")]
 #[rustc_allowed_through_unstable_modules]
-#[rustc_const_stable(feature = "const_intrinsic_copy", since = "CURRENT_RUSTC_VERSION")]
+#[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.83.0")]
 #[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 = "CURRENT_RUSTC_VERSION")]
+        #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.83.0")]
         #[rustc_nounwind]
         pub fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize);
     }
@@ -3300,13 +3300,13 @@ pub const unsafe fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: us
 #[doc(alias = "memmove")]
 #[stable(feature = "rust1", since = "1.0.0")]
 #[rustc_allowed_through_unstable_modules]
-#[rustc_const_stable(feature = "const_intrinsic_copy", since = "CURRENT_RUSTC_VERSION")]
+#[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.83.0")]
 #[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 = "CURRENT_RUSTC_VERSION")]
+        #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.83.0")]
         #[rustc_nounwind]
         fn copy<T>(src: *const T, dst: *mut T, count: usize);
     }
@@ -3381,13 +3381,13 @@ pub const unsafe fn copy<T>(src: *const T, dst: *mut T, count: usize) {
 #[doc(alias = "memset")]
 #[stable(feature = "rust1", since = "1.0.0")]
 #[rustc_allowed_through_unstable_modules]
-#[rustc_const_stable(feature = "const_ptr_write", since = "CURRENT_RUSTC_VERSION")]
+#[rustc_const_stable(feature = "const_ptr_write", since = "1.83.0")]
 #[inline(always)]
 #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
 #[rustc_diagnostic_item = "ptr_write_bytes"]
 pub const unsafe fn write_bytes<T>(dst: *mut T, val: u8, count: usize) {
     extern "rust-intrinsic" {
-        #[rustc_const_stable(feature = "const_ptr_write", since = "CURRENT_RUSTC_VERSION")]
+        #[rustc_const_stable(feature = "const_ptr_write", since = "1.83.0")]
         #[rustc_nounwind]
         fn write_bytes<T>(dst: *mut T, val: u8, count: usize);
     }

core/src/mem/maybe_uninit.rs

@@ -569,10 +569,7 @@ impl<T> MaybeUninit<T> {
     /// (Notice that the rules around references to uninitialized data are not finalized yet, but
     /// until they are, it is advisable to avoid them.)
     #[stable(feature = "maybe_uninit", since = "1.36.0")]
-    #[rustc_const_stable(
-        feature = "const_maybe_uninit_as_mut_ptr",
-        since = "CURRENT_RUSTC_VERSION"
-    )]
+    #[rustc_const_stable(feature = "const_maybe_uninit_as_mut_ptr", since = "1.83.0")]
     #[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
     #[inline(always)]
     pub const fn as_mut_ptr(&mut self) -> *mut T {

core/src/mem/mod.rs

@@ -858,7 +858,7 @@ pub fn take<T: Default>(dest: &mut T) -> T {
 #[stable(feature = "rust1", since = "1.0.0")]
 #[must_use = "if you don't need the old value, you can just assign the new value directly"]
 #[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
-#[rustc_const_stable(feature = "const_replace", since = "CURRENT_RUSTC_VERSION")]
+#[rustc_const_stable(feature = "const_replace", since = "1.83.0")]
 #[cfg_attr(not(test), rustc_diagnostic_item = "mem_replace")]
 pub const fn replace<T>(dest: &mut T, src: T) -> T {
     // It may be tempting to use `swap` to avoid `unsafe` here. Don't!

core/src/num/f32.rs

@@ -517,7 +517,7 @@ impl f32 {
     /// ```
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_float_classify", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_float_classify", since = "1.83.0")]
     #[inline]
     #[allow(clippy::eq_op)] // > if you intended to check if the operand is NaN, use `.is_nan()` instead :)
     pub const fn is_nan(self) -> bool {
@@ -550,7 +550,7 @@ impl f32 {
     /// ```
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_float_classify", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_float_classify", since = "1.83.0")]
     #[inline]
     pub const fn is_infinite(self) -> bool {
         // Getting clever with transmutation can result in incorrect answers on some FPUs
@@ -575,7 +575,7 @@ impl f32 {
     /// ```
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_float_classify", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_float_classify", since = "1.83.0")]
     #[inline]
     pub const fn is_finite(self) -> bool {
         // There's no need to handle NaN separately: if self is NaN,
@@ -603,7 +603,7 @@ impl f32 {
     /// [subnormal]: https://en.wikipedia.org/wiki/Denormal_number
     #[must_use]
     #[stable(feature = "is_subnormal", since = "1.53.0")]
-    #[rustc_const_stable(feature = "const_float_classify", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_float_classify", since = "1.83.0")]
     #[inline]
     pub const fn is_subnormal(self) -> bool {
         matches!(self.classify(), FpCategory::Subnormal)
@@ -630,7 +630,7 @@ impl f32 {
     /// [subnormal]: https://en.wikipedia.org/wiki/Denormal_number
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_float_classify", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_float_classify", since = "1.83.0")]
     #[inline]
     pub const fn is_normal(self) -> bool {
         matches!(self.classify(), FpCategory::Normal)
@@ -650,7 +650,7 @@ impl f32 {
     /// assert_eq!(inf.classify(), FpCategory::Infinite);
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_float_classify", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_float_classify", since = "1.83.0")]
     pub const fn classify(self) -> FpCategory {
         // We used to have complicated logic here that avoids the simple bit-based tests to work
         // around buggy codegen for x87 targets (see
@@ -686,7 +686,7 @@ impl f32 {
     /// ```
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_float_classify", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_float_classify", since = "1.83.0")]
     #[inline]
     pub const fn is_sign_positive(self) -> bool {
         !self.is_sign_negative()
@@ -711,7 +711,7 @@ impl f32 {
     /// ```
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_float_classify", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_float_classify", since = "1.83.0")]
     #[inline]
     pub const fn is_sign_negative(self) -> bool {
         // IEEE754 says: isSignMinus(x) is true if and only if x has negative sign. isSignMinus
@@ -1093,7 +1093,7 @@ impl f32 {
     #[must_use = "this returns the result of the operation, \
                   without modifying the original"]
     #[stable(feature = "float_bits_conv", since = "1.20.0")]
-    #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_float_bits_conv", since = "1.83.0")]
     #[inline]
     pub const fn to_bits(self) -> u32 {
         // SAFETY: `u32` is a plain old datatype so we can always transmute to it.
@@ -1137,7 +1137,7 @@ impl f32 {
     /// assert_eq!(v, 12.5);
     /// ```
     #[stable(feature = "float_bits_conv", since = "1.20.0")]
-    #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_float_bits_conv", since = "1.83.0")]
     #[must_use]
     #[inline]
     pub const fn from_bits(v: u32) -> Self {
@@ -1161,7 +1161,7 @@ impl f32 {
     #[must_use = "this returns the result of the operation, \
                   without modifying the original"]
     #[stable(feature = "float_to_from_bytes", since = "1.40.0")]
-    #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_float_bits_conv", since = "1.83.0")]
     #[inline]
     pub const fn to_be_bytes(self) -> [u8; 4] {
         self.to_bits().to_be_bytes()
@@ -1182,7 +1182,7 @@ impl f32 {
     #[must_use = "this returns the result of the operation, \
                   without modifying the original"]
     #[stable(feature = "float_to_from_bytes", since = "1.40.0")]
-    #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_float_bits_conv", since = "1.83.0")]
     #[inline]
     pub const fn to_le_bytes(self) -> [u8; 4] {
         self.to_bits().to_le_bytes()
@@ -1216,7 +1216,7 @@ impl f32 {
     #[must_use = "this returns the result of the operation, \
                   without modifying the original"]
     #[stable(feature = "float_to_from_bytes", since = "1.40.0")]
-    #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_float_bits_conv", since = "1.83.0")]
     #[inline]
     pub const fn to_ne_bytes(self) -> [u8; 4] {
         self.to_bits().to_ne_bytes()
@@ -1234,7 +1234,7 @@ impl f32 {
     /// assert_eq!(value, 12.5);
     /// ```
     #[stable(feature = "float_to_from_bytes", since = "1.40.0")]
-    #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_float_bits_conv", since = "1.83.0")]
     #[must_use]
     #[inline]
     pub const fn from_be_bytes(bytes: [u8; 4]) -> Self {
@@ -1253,7 +1253,7 @@ impl f32 {
     /// assert_eq!(value, 12.5);
     /// ```
     #[stable(feature = "float_to_from_bytes", since = "1.40.0")]
-    #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_float_bits_conv", since = "1.83.0")]
     #[must_use]
     #[inline]
     pub const fn from_le_bytes(bytes: [u8; 4]) -> Self {
@@ -1283,7 +1283,7 @@ impl f32 {
     /// assert_eq!(value, 12.5);
     /// ```
     #[stable(feature = "float_to_from_bytes", since = "1.40.0")]
-    #[rustc_const_stable(feature = "const_float_bits_conv", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_float_bits_conv", since = "1.83.0")]
     #[must_use]
     #[inline]
     pub const fn from_ne_bytes(bytes: [u8; 4]) -> Self {