consistency rename: language item -> lang item

compiler/rustc_passes/src/check_attr.rs

@@ -621,7 +621,7 @@ impl<'tcx> CheckAttrVisitor<'tcx> {
     ) -> bool {
         match target {
             Target::Fn => {
-                // `#[target_feature]` is not allowed in language items.
+                // `#[target_feature]` is not allowed in lang items.
                 if let Some((lang_item, _)) = hir::lang_items::extract(attrs)
                     // Calling functions with `#[target_feature]` is
                     // not unsafe on WASM, see #84988

compiler/rustc_passes/src/lang_items.rs

@@ -1,4 +1,4 @@
-//! Detecting language items.
+//! Detecting lang items.
 //!
 //! Language items are items that represent concepts intrinsic to the language
 //! itself. Examples are:

compiler/rustc_passes/src/weak_lang_items.rs

@@ -14,7 +14,7 @@ use crate::errors::{
 };
 
 /// Checks the crate for usage of weak lang items, returning a vector of all the
-/// language items required by this crate, but not defined yet.
+/// lang items required by this crate, but not defined yet.
 pub fn check_crate(tcx: TyCtxt<'_>, items: &mut lang_items::LanguageItems, krate: &ast::Crate) {
     // These are never called by user code, they're generated by the compiler.
     // They will never implicitly be added to the `missing` array unless we do