9 files changed, 17 insertions, 17 deletions
diff --git a/library/core/src/char/methods.rs b/library/core/src/char/methods.rs
index 4186565c131..6b415406838 100644
--- a/library/core/src/char/methods.rs
+++ b/library/core/src/char/methods.rs
@@ -225,7 +225,7 @@ impl char {
     #[stable(feature = "assoc_char_funcs", since = "1.52.0")]
     #[rustc_const_stable(
         feature = "const_char_from_u32_unchecked",
-        since = "CURRENT_RUSTC_VERSION"
+        since = "1.81.0"
     )]
     #[must_use]
     #[inline]
diff --git a/library/core/src/char/mod.rs b/library/core/src/char/mod.rs
index 37c27ecb8c4..7745041bb21 100644
--- a/library/core/src/char/mod.rs
+++ b/library/core/src/char/mod.rs
@@ -126,7 +126,7 @@ pub const fn from_u32(i: u32) -> Option<char> {
 /// Converts a `u32` to a `char`, ignoring validity. Use [`char::from_u32_unchecked`].
 /// instead.
 #[stable(feature = "char_from_unchecked", since = "1.5.0")]
-#[rustc_const_stable(feature = "const_char_from_u32_unchecked", since = "CURRENT_RUSTC_VERSION")]
+#[rustc_const_stable(feature = "const_char_from_u32_unchecked", since = "1.81.0")]
 #[must_use]
 #[inline]
 pub const unsafe fn from_u32_unchecked(i: u32) -> char {
diff --git a/library/core/src/error.rs b/library/core/src/error.rs
index 19b7bb44f85..5bc2195631a 100644
--- a/library/core/src/error.rs
+++ b/library/core/src/error.rs
@@ -1,5 +1,5 @@
 #![doc = include_str!("error.md")]
-#![stable(feature = "error_in_core", since = "CURRENT_RUSTC_VERSION")]
+#![stable(feature = "error_in_core", since = "1.81.0")]
 
 #[cfg(test)]
 mod tests;
diff --git a/library/core/src/ffi/c_str.rs b/library/core/src/ffi/c_str.rs
index ae42ae3baf4..2bde9d20ade 100644
--- a/library/core/src/ffi/c_str.rs
+++ b/library/core/src/ffi/c_str.rs
@@ -277,7 +277,7 @@ impl CStr {
     #[inline] // inline is necessary for codegen to see strlen.
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_cstr_from_ptr", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_cstr_from_ptr", since = "1.81.0")]
     pub const unsafe fn from_ptr<'a>(ptr: *const c_char) -> &'a CStr {
         // SAFETY: The caller has provided a pointer that points to a valid C
         // string with a NUL terminator less than `isize::MAX` from `ptr`.
@@ -539,7 +539,7 @@ impl CStr {
     #[must_use]
     #[doc(alias("len", "strlen"))]
     #[stable(feature = "cstr_count_bytes", since = "1.79.0")]
-    #[rustc_const_stable(feature = "const_cstr_from_ptr", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_cstr_from_ptr", since = "1.81.0")]
     pub const fn count_bytes(&self) -> usize {
         self.inner.len() - 1
     }
@@ -734,7 +734,7 @@ impl AsRef<CStr> for CStr {
 /// located within `isize::MAX` from `ptr`.
 #[inline]
 #[unstable(feature = "cstr_internals", issue = "none")]
-#[rustc_const_stable(feature = "const_cstr_from_ptr", since = "CURRENT_RUSTC_VERSION")]
+#[rustc_const_stable(feature = "const_cstr_from_ptr", since = "1.81.0")]
 #[rustc_allow_const_fn_unstable(const_eval_select)]
 const unsafe fn strlen(ptr: *const c_char) -> usize {
     const fn strlen_ct(s: *const c_char) -> usize {
diff --git a/library/core/src/hint.rs b/library/core/src/hint.rs
index b3e36e6fbc4..a4289065226 100644
--- a/library/core/src/hint.rs
+++ b/library/core/src/hint.rs
@@ -195,8 +195,8 @@ pub const unsafe fn unreachable_unchecked() -> ! {
 #[track_caller]
 #[inline(always)]
 #[doc(alias = "assume")]
-#[stable(feature = "hint_assert_unchecked", since = "CURRENT_RUSTC_VERSION")]
-#[rustc_const_stable(feature = "hint_assert_unchecked", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "hint_assert_unchecked", since = "1.81.0")]
+#[rustc_const_stable(feature = "hint_assert_unchecked", since = "1.81.0")]
 pub const unsafe fn assert_unchecked(cond: bool) {
     // SAFETY: The caller promised `cond` is true.
     unsafe {
diff --git a/library/core/src/panic.rs b/library/core/src/panic.rs
index 37c338dd9b7..45c2d9c66b9 100644
--- a/library/core/src/panic.rs
+++ b/library/core/src/panic.rs
@@ -12,7 +12,7 @@ use crate::any::Any;
 pub use self::location::Location;
 #[stable(feature = "panic_hooks", since = "1.10.0")]
 pub use self::panic_info::PanicInfo;
-#[stable(feature = "panic_info_message", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "panic_info_message", since = "1.81.0")]
 pub use self::panic_info::PanicMessage;
 #[stable(feature = "catch_unwind", since = "1.9.0")]
 pub use self::unwind_safe::{AssertUnwindSafe, RefUnwindSafe, UnwindSafe};
diff --git a/library/core/src/panic/panic_info.rs b/library/core/src/panic/panic_info.rs
index 6bbb9c30171..00e874e6922 100644
--- a/library/core/src/panic/panic_info.rs
+++ b/library/core/src/panic/panic_info.rs
@@ -24,7 +24,7 @@ pub struct PanicInfo<'a> {
 /// that were given to the `panic!()` macro.
 ///
 /// See [`PanicInfo::message`].
-#[stable(feature = "panic_info_message", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "panic_info_message", since = "1.81.0")]
 pub struct PanicMessage<'a> {
     message: fmt::Arguments<'a>,
 }
@@ -57,7 +57,7 @@ impl<'a> PanicInfo<'a> {
     /// }
     /// ```
     #[must_use]
-    #[stable(feature = "panic_info_message", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "panic_info_message", since = "1.81.0")]
     pub fn message(&self) -> PanicMessage<'_> {
         PanicMessage { message: self.message }
     }
@@ -164,7 +164,7 @@ impl<'a> PanicMessage<'a> {
     /// For most cases with placeholders, this function will return `None`.
     ///
     /// See [`fmt::Arguments::as_str`] for details.
-    #[stable(feature = "panic_info_message", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "panic_info_message", since = "1.81.0")]
     #[rustc_const_unstable(feature = "const_arguments_as_str", issue = "103900")]
     #[must_use]
     #[inline]
@@ -173,7 +173,7 @@ impl<'a> PanicMessage<'a> {
     }
 }
 
-#[stable(feature = "panic_info_message", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "panic_info_message", since = "1.81.0")]
 impl Display for PanicMessage<'_> {
     #[inline]
     fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
@@ -181,7 +181,7 @@ impl Display for PanicMessage<'_> {
     }
 }
 
-#[stable(feature = "panic_info_message", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "panic_info_message", since = "1.81.0")]
 impl fmt::Debug for PanicMessage<'_> {
     #[inline]
     fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
diff --git a/library/core/src/sync/atomic.rs b/library/core/src/sync/atomic.rs
index efc07f38f68..37050a74c67 100644
--- a/library/core/src/sync/atomic.rs
+++ b/library/core/src/sync/atomic.rs
@@ -1080,7 +1080,7 @@ impl AtomicBool {
     /// assert_eq!(foo.load(Ordering::SeqCst), true);
     /// ```
     #[inline]
-    #[stable(feature = "atomic_bool_fetch_not", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "atomic_bool_fetch_not", since = "1.81.0")]
     #[cfg(target_has_atomic = "8")]
     #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
     pub fn fetch_not(&self, order: Ordering) -> bool {
diff --git a/library/core/src/time.rs b/library/core/src/time.rs
index d66f558078e..33d27b219f3 100644
--- a/library/core/src/time.rs
+++ b/library/core/src/time.rs
@@ -625,8 +625,8 @@ impl Duration {
     /// assert_eq!(Duration::new(100, 0).abs_diff(Duration::new(80, 0)), Duration::new(20, 0));
     /// assert_eq!(Duration::new(100, 400_000_000).abs_diff(Duration::new(110, 0)), Duration::new(9, 600_000_000));
     /// ```
-    #[stable(feature = "duration_abs_diff", since = "CURRENT_RUSTC_VERSION")]
-    #[rustc_const_stable(feature = "duration_abs_diff", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "duration_abs_diff", since = "1.81.0")]
+    #[rustc_const_stable(feature = "duration_abs_diff", since = "1.81.0")]
     #[rustc_allow_const_fn_unstable(const_option)]
     #[must_use = "this returns the result of the operation, \
                   without modifying the original"]