Auto merge of #139301 - matthiaskrgr:rollup-sa6ali8, r=matthiaskrgr

Rollup of 7 pull requests

Successful merges:

 - #139080 (Experimental feature gate for `super let`)
 - #139145 (slice: Remove some uses of unsafe in first/last chunk methods)
 - #139149 (unstable book: document import_trait_associated_functions)
 - #139273 (Apply requested API changes to `cell_update`)
 - #139282 (rustdoc: make settings checkboxes always square)
 - #139283 (Rustc dev guide subtree update)
 - #139294 (Fix the `f16`/`f128` feature gates on integer literals)

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 6 insertions, 7 deletions

diff --git a/src/doc/rustc-dev-guide/examples/rustc-interface-example.rs b/src/doc/rustc-dev-guide/examples/rustc-interface-example.rs
index 70f27c2a82a..360f70c8e86 100644
--- a/src/doc/rustc-dev-guide/examples/rustc-interface-example.rs
+++ b/src/doc/rustc-dev-guide/examples/rustc-interface-example.rs
@@ -1,4 +1,4 @@
-// Tested with nightly-2025-02-13
+// Tested with nightly-2025-03-28
 
 #![feature(rustc_private)]
 
@@ -64,14 +64,13 @@ fn main() {
         println!("{krate:?}");
         // Analyze the program and inspect the types of definitions.
         rustc_interface::create_and_enter_global_ctxt(&compiler, krate, |tcx| {
-            for id in tcx.hir().items() {
-                let hir = tcx.hir();
-                let item = hir.item(id);
+            for id in tcx.hir_free_items() {
+                let item = tcx.hir_item(id);
                 match item.kind {
-                    rustc_hir::ItemKind::Static(_, _, _) | rustc_hir::ItemKind::Fn { .. } => {
-                        let name = item.ident;
+                    rustc_hir::ItemKind::Static(ident, ..)
+                    | rustc_hir::ItemKind::Fn { ident, .. } => {
                         let ty = tcx.type_of(item.hir_id().owner.def_id);
-                        println!("{name:?}:\t{ty:?}")
+                        println!("{ident:?}:\t{ty:?}")
                     }
                     _ => (),
                 }