Update tracking issue of naked_functions

The original tracking issue was superseded by a new one
(constrainted naked functions) and therefore is closed.

compiler/rustc_feature/src/unstable.rs

@@ -525,7 +525,7 @@ declare_features! (
     /// Allows the `#[must_not_suspend]` attribute.
     (unstable, must_not_suspend, "1.57.0", Some(83310)),
     /// Allows using `#[naked]` on functions.
-    (unstable, naked_functions, "1.9.0", Some(32408)),
+    (unstable, naked_functions, "1.9.0", Some(90957)),
     /// Allows specifying the as-needed link modifier
     (unstable, native_link_modifiers_as_needed, "1.53.0", Some(81490)),
     /// Allow negative trait implementations.

tests/ui/feature-gates/feature-gate-naked_functions.stderr

@@ -4,7 +4,7 @@ error[E0658]: the `#[naked]` attribute is an experimental feature
 LL | #[naked]
    | ^^^^^^^^
    |
-   = note: see issue #32408 <https://github.com/rust-lang/rust/issues/32408> for more information
+   = note: see issue #90957 <https://github.com/rust-lang/rust/issues/90957> for more information
    = help: add `#![feature(naked_functions)]` to the crate attributes to enable
 
 error[E0658]: the `#[naked]` attribute is an experimental feature
@@ -13,7 +13,7 @@ error[E0658]: the `#[naked]` attribute is an experimental feature
 LL | #[naked]
    | ^^^^^^^^
    |
-   = note: see issue #32408 <https://github.com/rust-lang/rust/issues/32408> for more information
+   = note: see issue #90957 <https://github.com/rust-lang/rust/issues/90957> for more information
    = help: add `#![feature(naked_functions)]` to the crate attributes to enable
 
 error: aborting due to 2 previous errors