rust-lang · fee1-dead · Jul 13, 2025
diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs
@@ -444,7 +444,7 @@ declare_features! (
     /// Be more precise when looking for live drops in a const context.
     (unstable, const_precise_live_drops, "1.46.0", Some(73255)),
     /// Allows `impl const Trait for T` syntax.
-    (unstable, const_trait_impl, "1.42.0", Some(67792)),
+    (unstable, const_trait_impl, "1.42.0", Some(143874)),
     /// Allows the `?` operator in const contexts.
     (unstable, const_try, "1.56.0", Some(74935)),
     /// Allows use of contracts attributes.

diff --git a/compiler/rustc_passes/messages.ftl b/compiler/rustc_passes/messages.ftl
@@ -700,7 +700,7 @@ passes_trait_impl_const_stability_mismatch_trait_unstable = ...but the trait is
 
 passes_trait_impl_const_stable =
     trait implementations cannot be const stable yet
-    .note = see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+    .note = see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information
 
 passes_transparent_incompatible =
     transparent {$target} cannot have other repr hints

diff --git a/library/alloc/src/string.rs b/library/alloc/src/string.rs
@@ -2611,7 +2611,7 @@ impl_eq! { Cow<'a, str>, &'b str }
 impl_eq! { Cow<'a, str>, String }
 
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_const_unstable(feature = "const_default", issue = "67792")]
+#[rustc_const_unstable(feature = "const_default", issue = "143894")]
 impl const Default for String {
     /// Creates an empty `String`.
     #[inline]

diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs
@@ -3895,7 +3895,7 @@ unsafe impl<#[may_dangle] T, A: Allocator> Drop for Vec<T, A> {
 }
 
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_const_unstable(feature = "const_default", issue = "67792")]
+#[rustc_const_unstable(feature = "const_default", issue = "143894")]
 impl<T> const Default for Vec<T> {
     /// Creates an empty `Vec<T>`.
     ///

diff --git a/library/core/src/cell.rs b/library/core/src/cell.rs
@@ -333,7 +333,7 @@ impl<T: Copy> Clone for Cell<T> {
 }
 
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_const_unstable(feature = "const_default", issue = "67792")]
+#[rustc_const_unstable(feature = "const_default", issue = "143894")]
 impl<T: ~const Default> const Default for Cell<T> {
     /// Creates a `Cell<T>`, with the `Default` value for T.
     #[inline]
@@ -1324,7 +1324,7 @@ impl<T: Clone> Clone for RefCell<T> {
 }
 
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_const_unstable(feature = "const_default", issue = "67792")]
+#[rustc_const_unstable(feature = "const_default", issue = "143894")]
 impl<T: ~const Default> const Default for RefCell<T> {
     /// Creates a `RefCell<T>`, with the `Default` value for T.
     #[inline]
@@ -2332,7 +2332,7 @@ impl<T: ?Sized> UnsafeCell<T> {
 }
 
 #[stable(feature = "unsafe_cell_default", since = "1.10.0")]
-#[rustc_const_unstable(feature = "const_default", issue = "67792")]
+#[rustc_const_unstable(feature = "const_default", issue = "143894")]
 impl<T: ~const Default> const Default for UnsafeCell<T> {
     /// Creates an `UnsafeCell`, with the `Default` value for T.
     fn default() -> UnsafeCell<T> {
@@ -2437,7 +2437,7 @@ impl<T: ?Sized> SyncUnsafeCell<T> {
 }
 
 #[unstable(feature = "sync_unsafe_cell", issue = "95439")]
-#[rustc_const_unstable(feature = "const_default", issue = "67792")]
+#[rustc_const_unstable(feature = "const_default", issue = "143894")]
 impl<T: ~const Default> const Default for SyncUnsafeCell<T> {
     /// Creates an `SyncUnsafeCell`, with the `Default` value for T.
     fn default() -> SyncUnsafeCell<T> {

diff --git a/library/core/src/default.rs b/library/core/src/default.rs
@@ -104,7 +104,7 @@ use crate::ascii::Char as AsciiChar;
 #[rustc_diagnostic_item = "Default"]
 #[stable(feature = "rust1", since = "1.0.0")]
 #[const_trait]
-#[rustc_const_unstable(feature = "const_default", issue = "67792")]
+#[rustc_const_unstable(feature = "const_default", issue = "143894")]
 pub trait Default: Sized {
     /// Returns the "default value" for a type.
     ///
@@ -151,7 +151,7 @@ pub macro Default($item:item) {
 macro_rules! default_impl {
     ($t:ty, $v:expr, $doc:tt) => {
         #[stable(feature = "rust1", since = "1.0.0")]
-        #[rustc_const_unstable(feature = "const_default", issue = "67792")]
+        #[rustc_const_unstable(feature = "const_default", issue = "143894")]
         impl const Default for $t {
             #[inline(always)]
             #[doc = $doc]

diff --git a/library/core/src/iter/sources/empty.rs b/library/core/src/iter/sources/empty.rs
@@ -81,7 +81,7 @@ impl<T> Clone for Empty<T> {
 // not #[derive] because that adds a Default bound on T,
 // which isn't necessary.
 #[stable(feature = "iter_empty", since = "1.2.0")]
-#[rustc_const_unstable(feature = "const_default", issue = "67792")]
+#[rustc_const_unstable(feature = "const_default", issue = "143894")]
 impl<T> const Default for Empty<T> {
     fn default() -> Empty<T> {
         Empty(marker::PhantomData)

diff --git a/library/core/src/marker.rs b/library/core/src/marker.rs
@@ -863,7 +863,7 @@ impl<T: PointeeSized> Clone for PhantomData<T> {
 }
 
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_const_unstable(feature = "const_default", issue = "67792")]
+#[rustc_const_unstable(feature = "const_default", issue = "143894")]
 impl<T: PointeeSized> const Default for PhantomData<T> {
     fn default() -> Self {
         Self

diff --git a/library/core/src/ops/function.rs b/library/core/src/ops/function.rs
@@ -73,7 +73,7 @@ use crate::marker::Tuple;
 #[fundamental] // so that regex can rely that `&str: !FnMut`
 #[must_use = "closures are lazy and do nothing unless called"]
 #[const_trait]
-#[rustc_const_unstable(feature = "const_trait_impl", issue = "67792")]
+#[rustc_const_unstable(feature = "const_trait_impl", issue = "143874")]
 pub trait Fn<Args: Tuple>: FnMut<Args> {
     /// Performs the call operation.
     #[unstable(feature = "fn_traits", issue = "29625")]
@@ -161,7 +161,7 @@ pub trait Fn<Args: Tuple>: FnMut<Args> {
 #[fundamental] // so that regex can rely that `&str: !FnMut`
 #[must_use = "closures are lazy and do nothing unless called"]
 #[const_trait]
-#[rustc_const_unstable(feature = "const_trait_impl", issue = "67792")]
+#[rustc_const_unstable(feature = "const_trait_impl", issue = "143874")]
 pub trait FnMut<Args: Tuple>: FnOnce<Args> {
     /// Performs the call operation.
     #[unstable(feature = "fn_traits", issue = "29625")]
@@ -241,7 +241,7 @@ pub trait FnMut<Args: Tuple>: FnOnce<Args> {
 #[fundamental] // so that regex can rely that `&str: !FnMut`
 #[must_use = "closures are lazy and do nothing unless called"]
 #[const_trait]
-#[rustc_const_unstable(feature = "const_trait_impl", issue = "67792")]
+#[rustc_const_unstable(feature = "const_trait_impl", issue = "143874")]
 pub trait FnOnce<Args: Tuple> {
     /// The returned type after the call operator is used.
     #[lang = "fn_once_output"]
@@ -257,7 +257,7 @@ mod impls {
     use crate::marker::Tuple;
 
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_unstable(feature = "const_trait_impl", issue = "67792")]
+    #[rustc_const_unstable(feature = "const_trait_impl", issue = "143874")]
     impl<A: Tuple, F: ?Sized> const Fn<A> for &F
     where
         F: ~const Fn<A>,
@@ -268,7 +268,7 @@ mod impls {
     }
 
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_unstable(feature = "const_trait_impl", issue = "67792")]
+    #[rustc_const_unstable(feature = "const_trait_impl", issue = "143874")]
     impl<A: Tuple, F: ?Sized> const FnMut<A> for &F
     where
         F: ~const Fn<A>,
@@ -279,7 +279,7 @@ mod impls {
     }
 
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_unstable(feature = "const_trait_impl", issue = "67792")]
+    #[rustc_const_unstable(feature = "const_trait_impl", issue = "143874")]
     impl<A: Tuple, F: ?Sized> const FnOnce<A> for &F
     where
         F: ~const Fn<A>,
@@ -292,7 +292,7 @@ mod impls {
     }
 
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_unstable(feature = "const_trait_impl", issue = "67792")]
+    #[rustc_const_unstable(feature = "const_trait_impl", issue = "143874")]
     impl<A: Tuple, F: ?Sized> const FnMut<A> for &mut F
     where
         F: ~const FnMut<A>,
@@ -303,7 +303,7 @@ mod impls {
     }
 
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_unstable(feature = "const_trait_impl", issue = "67792")]
+    #[rustc_const_unstable(feature = "const_trait_impl", issue = "143874")]
     impl<A: Tuple, F: ?Sized> const FnOnce<A> for &mut F
     where
         F: ~const FnMut<A>,

diff --git a/library/core/src/option.rs b/library/core/src/option.rs
@@ -2112,7 +2112,7 @@ where
 impl<T> crate::clone::UseCloned for Option<T> where T: crate::clone::UseCloned {}
 
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_const_unstable(feature = "const_default", issue = "67792")]
+#[rustc_const_unstable(feature = "const_default", issue = "143894")]
 impl<T> const Default for Option<T> {
     /// Returns [`None`][Option::None].
     ///

diff --git a/library/core/src/ptr/alignment.rs b/library/core/src/ptr/alignment.rs
@@ -230,7 +230,7 @@ impl hash::Hash for Alignment {
 
 /// Returns [`Alignment::MIN`], which is valid for any type.
 #[unstable(feature = "ptr_alignment_type", issue = "102070")]
-#[rustc_const_unstable(feature = "const_default", issue = "67792")]
+#[rustc_const_unstable(feature = "const_default", issue = "143894")]
 impl const Default for Alignment {
     fn default() -> Alignment {
         Alignment::MIN

diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs
@@ -5190,7 +5190,7 @@ where
 }
 
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_const_unstable(feature = "const_default", issue = "67792")]
+#[rustc_const_unstable(feature = "const_default", issue = "143894")]
 impl<T> const Default for &[T] {
     /// Creates an empty slice.
     fn default() -> Self {
@@ -5199,7 +5199,7 @@ impl<T> const Default for &[T] {
 }
 
 #[stable(feature = "mut_slice_default", since = "1.5.0")]
-#[rustc_const_unstable(feature = "const_default", issue = "67792")]
+#[rustc_const_unstable(feature = "const_default", issue = "143894")]
 impl<T> const Default for &mut [T] {
     /// Creates a mutable empty slice.
     fn default() -> Self {

diff --git a/library/core/src/str/mod.rs b/library/core/src/str/mod.rs
@@ -3072,7 +3072,7 @@ impl AsRef<[u8]> for str {
 }
 
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_const_unstable(feature = "const_default", issue = "67792")]
+#[rustc_const_unstable(feature = "const_default", issue = "143894")]
 impl const Default for &str {
     /// Creates an empty str
     #[inline]
@@ -3082,7 +3082,7 @@ impl const Default for &str {
 }
 
 #[stable(feature = "default_mut_str", since = "1.28.0")]
-#[rustc_const_unstable(feature = "const_default", issue = "67792")]
+#[rustc_const_unstable(feature = "const_default", issue = "143894")]
 impl const Default for &mut str {
     /// Creates an empty mutable str
     #[inline]

diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs
@@ -980,7 +980,7 @@ fn assoc_method(
     let name = meth.name.as_ref().unwrap();
     let vis = visibility_print_with_space(meth, cx).to_string();
     let defaultness = print_default_space(meth.is_default());
-    // FIXME: Once https://github.com/rust-lang/rust/issues/67792 is implemented, we can remove
+    // FIXME: Once https://github.com/rust-lang/rust/issues/143874 is implemented, we can remove
     // this condition.
     let constness = match render_mode {
         RenderMode::Normal => print_constness_with_space(
@@ -2152,7 +2152,7 @@ fn render_rightside(
     let tcx = cx.tcx();
 
     fmt::from_fn(move |w| {
-        // FIXME: Once https://github.com/rust-lang/rust/issues/67792 is implemented, we can remove
+        // FIXME: Once https://github.com/rust-lang/rust/issues/143874 is implemented, we can remove
         // this condition.
         let const_stability = match render_mode {
             RenderMode::Normal => item.const_stability(tcx),

diff --git a/src/tools/rust-analyzer/crates/ide-db/src/generated/lints.rs b/src/tools/rust-analyzer/crates/ide-db/src/generated/lints.rs
@@ -4711,9 +4711,9 @@ The tracking issue for this feature is: [#133668]
         label: "const_trait_impl",
         description: r##"# `const_trait_impl`
 
-The tracking issue for this feature is: [#67792]
+The tracking issue for this feature is: [#143874]
 
-[#67792]: https://github.com/rust-lang/rust/issues/67792
+[#143874]: https://github.com/rust-lang/rust/issues/143874
 
 ------------------------
 "##,

diff --git a/tests/run-make/const-trait-stable-toolchain/const-super-trait-nightly-disabled.stderr b/tests/run-make/const-trait-stable-toolchain/const-super-trait-nightly-disabled.stderr
@@ -16,7 +16,7 @@ error[E0658]: const trait impls are experimental
 LL | trait Bar: ~const Foo {}
    |            ^^^^^^
    |
-   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information
    = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
@@ -26,7 +26,7 @@ error[E0658]: const trait impls are experimental
 LL | const fn foo<T: ~const Bar>(x: &T) {
    |                 ^^^^^^
    |
-   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information
    = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 

diff --git a/tests/run-make/const-trait-stable-toolchain/const-super-trait-stable-disabled.stderr b/tests/run-make/const-trait-stable-toolchain/const-super-trait-stable-disabled.stderr
@@ -16,15 +16,15 @@ error[E0658]: const trait impls are experimental
 7 | trait Bar: ~const Foo {}
   |            ^^^^^^
   |
-  = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+  = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information
 
 error[E0658]: const trait impls are experimental
  --> const-super-trait.rs:9:17
   |
 9 | const fn foo<T: ~const Bar>(x: &T) {
   |                 ^^^^^^
   |
-  = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+  = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information
 
 error: `[const]` can only be applied to `#[const_trait]` traits
  --> const-super-trait.rs:7:12

diff --git a/tests/ui/consts/issue-90870.stderr b/tests/ui/consts/issue-90870.stderr
@@ -5,7 +5,7 @@ LL |     a == b
    |     ^^^^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information
    = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 help: consider dereferencing here
@@ -31,7 +31,7 @@ LL |     a == b
    |     ^^^^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information
    = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 help: consider dereferencing here
@@ -57,7 +57,7 @@ LL |         if l == r {
    |            ^^^^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information
    = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 help: consider dereferencing here

diff --git a/tests/ui/impl-trait/precise-capturing/bound-modifiers.stderr b/tests/ui/impl-trait/precise-capturing/bound-modifiers.stderr
@@ -63,7 +63,7 @@ error[E0658]: const trait impls are experimental
 LL | fn constness() -> impl Sized + const use<> {}
    |                                ^^^^^
    |
-   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information
    = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 

diff --git a/tests/ui/traits/const-traits/cross-crate.stock.stderr b/tests/ui/traits/const-traits/cross-crate.stock.stderr
@@ -5,7 +5,7 @@ LL |     Const.func();
    |           ^^^^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information
    = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 

diff --git a/tests/ui/traits/const-traits/cross-crate.stocknc.stderr b/tests/ui/traits/const-traits/cross-crate.stocknc.stderr
@@ -13,7 +13,7 @@ LL |     Const.func();
    |           ^^^^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-   = note: see issue #67792 <https://github.com/rust-lang/rust/issues/67792> for more information
+   = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information
    = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date