Auto merge of #82552 - GuillaumeGomez:rollup-8dn1ztn, r=GuillaumeGomez

Rollup of 8 pull requests

Successful merges:

 - #81940 (Stabilize str_split_once)
 - #82165 (Reword labels on E0308 involving async fn return type)
 - #82456 (Replaced some unwrap_or and map_or with lazy variants)
 - #82491 (Consider inexpensive inlining criteria first)
 - #82506 (Properly account for non-shorthand pattern field in unused variable lint)
 - #82535 (Set codegen thread names)
 - #82545 (rustdoc: add optional woff2 versions of FiraSans.)
 - #82549 (Revert "Update normalize.css to 8.0.1")

Failed merges:

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

compiler/rustc_typeck/src/check/method/probe.rs

@@ -1716,7 +1716,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> {
             } else {
                 self.fcx
                     .associated_item(def_id, name, Namespace::ValueNS)
-                    .map_or(Vec::new(), |x| vec![x])
+                    .map_or_else(Vec::new, |x| vec![x])
             }
         } else {
             self.tcx.associated_items(def_id).in_definition_order().copied().collect()

compiler/rustc_typeck/src/check/mod.rs

@@ -1062,7 +1062,10 @@ fn report_unexpected_variant_res(tcx: TyCtxt<'_>, res: Res, span: Span) {
         E0533,
         "expected unit struct, unit variant or constant, found {}{}",
         res.descr(),
-        tcx.sess.source_map().span_to_snippet(span).map_or(String::new(), |s| format!(" `{}`", s)),
+        tcx.sess
+            .source_map()
+            .span_to_snippet(span)
+            .map_or_else(|_| String::new(), |s| format!(" `{}`", s)),
     )
     .emit();
 }

compiler/rustc_typeck/src/check/pat.rs

@@ -879,7 +879,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
             let sm = tcx.sess.source_map();
             let path_str = sm
                 .span_to_snippet(sm.span_until_char(pat.span, '('))
-                .map_or(String::new(), |s| format!(" `{}`", s.trim_end()));
+                .map_or_else(|_| String::new(), |s| format!(" `{}`", s.trim_end()));
             let msg = format!(
                 "expected tuple struct or tuple variant, found {}{}",
                 res.descr(),

compiler/rustc_typeck/src/check/writeback.rs

@@ -348,9 +348,9 @@ impl<'cx, 'tcx> WritebackCx<'cx, 'tcx> {
                 let min_list_wb = min_list
                     .iter()
                     .map(|captured_place| {
-                        let locatable = captured_place.info.path_expr_id.unwrap_or(
-                            self.tcx().hir().local_def_id_to_hir_id(closure_def_id.expect_local()),
-                        );
+                        let locatable = captured_place.info.path_expr_id.unwrap_or_else(|| {
+                            self.tcx().hir().local_def_id_to_hir_id(closure_def_id.expect_local())
+                        });
 
                         self.resolve(captured_place.clone(), &locatable)
                     })

compiler/rustc_typeck/src/collect.rs

@@ -2387,7 +2387,7 @@ fn compute_sig_of_foreign_fn_decl<'tcx>(
                     .sess
                     .source_map()
                     .span_to_snippet(ast_ty.span)
-                    .map_or(String::new(), |s| format!(" `{}`", s));
+                    .map_or_else(|_| String::new(), |s| format!(" `{}`", s));
                 tcx.sess
                     .struct_span_err(
                         ast_ty.span,