change diag references from once_cell crate to LazyLock

Author: pitaj

compiler/rustc_const_eval/src/transform/check_consts/ops.rs

@@ -303,7 +303,7 @@ impl<'tcx> NonConstOp<'tcx> for FnCallNonConst<'tcx> {
         }
 
         if let ConstContext::Static(_) = ccx.const_kind() {
-            err.note("consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell");
+            err.note("consider wrapping this expression in `std::sync::LazyLock::new(|| ...)`");
         }
 
         err

compiler/rustc_lint_defs/src/builtin.rs

@@ -1265,9 +1265,7 @@ declare_lint! {
     ///     * If the value can be computed at compile-time, consider using
     ///       const-compatible values (see [Constant Evaluation]).
     ///     * For more complex single-initialization cases, consider using a
-    ///       third-party crate, such as [`lazy_static`] or [`once_cell`].
-    ///     * If you are using the [nightly channel], consider the new
-    ///       [`lazy`] module in the standard library.
+    ///       [`std::sync::LazyLock`].
     /// * If you truly need a mutable global, consider using a [`static`],
     ///   which has a variety of options:
     ///   * Simple data types can be directly defined and mutated with an
@@ -1282,9 +1280,7 @@ declare_lint! {
     /// [Constant Evaluation]: https://doc.rust-lang.org/reference/const_eval.html
     /// [`static`]: https://doc.rust-lang.org/reference/items/static-items.html
     /// [mutable `static`]: https://doc.rust-lang.org/reference/items/static-items.html#mutable-statics
-    /// [`lazy`]: https://doc.rust-lang.org/nightly/std/lazy/index.html
-    /// [`lazy_static`]: https://crates.io/crates/lazy_static
-    /// [`once_cell`]: https://crates.io/crates/once_cell
+    /// [`std::sync::LazyLock`]: https://doc.rust-lang.org/stable/std/sync/struct.LazyLock.html
     /// [`atomic`]: https://doc.rust-lang.org/std/sync/atomic/index.html
     /// [`Mutex`]: https://doc.rust-lang.org/std/sync/struct.Mutex.html
     pub CONST_ITEM_MUTATION,