Auto merge of #131235 - codemountains:rename-nestedmetaitem-to-metaitemlnner, r=nnethercote

Rename `NestedMetaItem` to `MetaItemInner`

Fixes #131087

r? `@nnethercote`

16 files changed, 72 insertions, 76 deletions

diff --git a/src/librustdoc/clean/cfg.rs b/src/librustdoc/clean/cfg.rs
index 53830016a80..9255242611a 100644
--- a/src/librustdoc/clean/cfg.rs
+++ b/src/librustdoc/clean/cfg.rs
@@ -6,7 +6,7 @@
 use std::fmt::{self, Write};
 use std::{mem, ops};
 
-use rustc_ast::{LitKind, MetaItem, MetaItemKind, MetaItemLit, NestedMetaItem};
+use rustc_ast::{LitKind, MetaItem, MetaItemInner, MetaItemKind, MetaItemLit};
 use rustc_data_structures::fx::FxHashSet;
 use rustc_feature::Features;
 use rustc_session::parse::ParseSess;
@@ -41,18 +41,18 @@ pub(crate) struct InvalidCfgError {
 }
 
 impl Cfg {
-    /// Parses a `NestedMetaItem` into a `Cfg`.
+    /// Parses a `MetaItemInner` into a `Cfg`.
     fn parse_nested(
-        nested_cfg: &NestedMetaItem,
+        nested_cfg: &MetaItemInner,
         exclude: &FxHashSet<Cfg>,
     ) -> Result<Option<Cfg>, InvalidCfgError> {
         match nested_cfg {
-            NestedMetaItem::MetaItem(ref cfg) => Cfg::parse_without(cfg, exclude),
-            NestedMetaItem::Lit(MetaItemLit { kind: LitKind::Bool(b), .. }) => match *b {
+            MetaItemInner::MetaItem(ref cfg) => Cfg::parse_without(cfg, exclude),
+            MetaItemInner::Lit(MetaItemLit { kind: LitKind::Bool(b), .. }) => match *b {
                 true => Ok(Some(Cfg::True)),
                 false => Ok(Some(Cfg::False)),
             },
-            NestedMetaItem::Lit(ref lit) => {
+            MetaItemInner::Lit(ref lit) => {
                 Err(InvalidCfgError { msg: "unexpected literal", span: lit.span })
             }
         }
@@ -124,7 +124,7 @@ impl Cfg {
     ///
     /// If the content is not properly formatted, it will return an error indicating what and where
     /// the error is.
-    pub(crate) fn parse(cfg: &NestedMetaItem) -> Result<Cfg, InvalidCfgError> {
+    pub(crate) fn parse(cfg: &MetaItemInner) -> Result<Cfg, InvalidCfgError> {
         Self::parse_nested(cfg, &FxHashSet::default()).map(|ret| ret.unwrap())
     }
 
diff --git a/src/librustdoc/clean/cfg/tests.rs b/src/librustdoc/clean/cfg/tests.rs
index d4b11451c89..2c62e12c96d 100644
--- a/src/librustdoc/clean/cfg/tests.rs
+++ b/src/librustdoc/clean/cfg/tests.rs
@@ -1,5 +1,5 @@
 use rustc_ast::ast::LitIntType;
-use rustc_ast::{MetaItemLit, NestedMetaItem, Path, Safety, StrStyle};
+use rustc_ast::{MetaItemInner, MetaItemLit, Path, Safety, StrStyle};
 use rustc_span::symbol::{Ident, kw};
 use rustc_span::{DUMMY_SP, create_default_session_globals_then};
 use thin_vec::thin_vec;
@@ -14,12 +14,12 @@ fn name_value_cfg(name: &str, value: &str) -> Cfg {
     Cfg::Cfg(Symbol::intern(name), Some(Symbol::intern(value)))
 }
 
-fn dummy_lit(symbol: Symbol, kind: LitKind) -> NestedMetaItem {
-    NestedMetaItem::Lit(MetaItemLit { symbol, suffix: None, kind, span: DUMMY_SP })
+fn dummy_lit(symbol: Symbol, kind: LitKind) -> MetaItemInner {
+    MetaItemInner::Lit(MetaItemLit { symbol, suffix: None, kind, span: DUMMY_SP })
 }
 
-fn dummy_meta_item_word(name: &str) -> NestedMetaItem {
-    NestedMetaItem::MetaItem(MetaItem {
+fn dummy_meta_item_word(name: &str) -> MetaItemInner {
+    MetaItemInner::MetaItem(MetaItem {
         unsafety: Safety::Default,
         path: Path::from_ident(Ident::from_str(name)),
         kind: MetaItemKind::Word,
@@ -27,9 +27,9 @@ fn dummy_meta_item_word(name: &str) -> NestedMetaItem {
     })
 }
 
-fn dummy_meta_item_name_value(name: &str, symbol: Symbol, kind: LitKind) -> NestedMetaItem {
+fn dummy_meta_item_name_value(name: &str, symbol: Symbol, kind: LitKind) -> MetaItemInner {
     let lit = MetaItemLit { symbol, suffix: None, kind, span: DUMMY_SP };
-    NestedMetaItem::MetaItem(MetaItem {
+    MetaItemInner::MetaItem(MetaItem {
         unsafety: Safety::Default,
         path: Path::from_ident(Ident::from_str(name)),
         kind: MetaItemKind::NameValue(lit),
@@ -39,7 +39,7 @@ fn dummy_meta_item_name_value(name: &str, symbol: Symbol, kind: LitKind) -> Nest
 
 macro_rules! dummy_meta_item_list {
     ($name:ident, [$($list:ident),* $(,)?]) => {
-        NestedMetaItem::MetaItem(MetaItem {
+        MetaItemInner::MetaItem(MetaItem {
             unsafety: Safety::Default,
             path: Path::from_ident(Ident::from_str(stringify!($name))),
             kind: MetaItemKind::List(thin_vec![
@@ -52,7 +52,7 @@ macro_rules! dummy_meta_item_list {
     };
 
     ($name:ident, [$($list:expr),* $(,)?]) => {
-        NestedMetaItem::MetaItem(MetaItem {
+        MetaItemInner::MetaItem(MetaItem {
             unsafety: Safety::Default,
             path: Path::from_ident(Ident::from_str(stringify!($name))),
             kind: MetaItemKind::List(thin_vec![
diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs
index ea4388b305b..bc5bf4c0583 100644
--- a/src/librustdoc/clean/types.rs
+++ b/src/librustdoc/clean/types.rs
@@ -5,7 +5,7 @@ use std::sync::{Arc, OnceLock as OnceCell};
 use std::{fmt, iter};
 
 use arrayvec::ArrayVec;
-use rustc_ast::NestedMetaItem;
+use rustc_ast::MetaItemInner;
 use rustc_ast_pretty::pprust;
 use rustc_attr::{ConstStability, Deprecation, Stability, StableSince};
 use rustc_const_eval::const_eval::is_unstable_const_fn;
@@ -953,7 +953,7 @@ pub(crate) struct Module {
 }
 
 pub(crate) trait AttributesExt {
-    type AttributeIterator<'a>: Iterator<Item = ast::NestedMetaItem>
+    type AttributeIterator<'a>: Iterator<Item = ast::MetaItemInner>
     where
         Self: 'a;
     type Attributes<'a>: Iterator<Item = &'a ast::Attribute>
@@ -1043,7 +1043,7 @@ pub(crate) trait AttributesExt {
                     let mut meta = attr.meta_item().unwrap().clone();
                     meta.path = ast::Path::from_ident(Ident::with_dummy_span(sym::target_feature));
 
-                    if let Ok(feat_cfg) = Cfg::parse(&NestedMetaItem::MetaItem(meta)) {
+                    if let Ok(feat_cfg) = Cfg::parse(&MetaItemInner::MetaItem(meta)) {
                         cfg &= feat_cfg;
                     }
                 }
@@ -1055,7 +1055,7 @@ pub(crate) trait AttributesExt {
 }
 
 impl AttributesExt for [ast::Attribute] {
-    type AttributeIterator<'a> = impl Iterator<Item = ast::NestedMetaItem> + 'a;
+    type AttributeIterator<'a> = impl Iterator<Item = ast::MetaItemInner> + 'a;
     type Attributes<'a> = impl Iterator<Item = &'a ast::Attribute> + 'a;
 
     fn lists(&self, name: Symbol) -> Self::AttributeIterator<'_> {
@@ -1072,7 +1072,7 @@ impl AttributesExt for [ast::Attribute] {
 
 impl AttributesExt for [(Cow<'_, ast::Attribute>, Option<DefId>)] {
     type AttributeIterator<'a>
-        = impl Iterator<Item = ast::NestedMetaItem> + 'a
+        = impl Iterator<Item = ast::MetaItemInner> + 'a
     where
         Self: 'a;
     type Attributes<'a>
@@ -1106,11 +1106,11 @@ pub(crate) trait NestedAttributesExt {
 
     /// Returns `Some(attr)` if the attribute list contains 'attr'
     /// corresponding to a specific `word`
-    fn get_word_attr(self, word: Symbol) -> Option<ast::NestedMetaItem>;
+    fn get_word_attr(self, word: Symbol) -> Option<ast::MetaItemInner>;
 }
 
-impl<I: Iterator<Item = ast::NestedMetaItem>> NestedAttributesExt for I {
-    fn get_word_attr(mut self, word: Symbol) -> Option<ast::NestedMetaItem> {
+impl<I: Iterator<Item = ast::MetaItemInner>> NestedAttributesExt for I {
+    fn get_word_attr(mut self, word: Symbol) -> Option<ast::MetaItemInner> {
         self.find(|attr| attr.is_word() && attr.has_name(word))
     }
 }
@@ -1157,7 +1157,7 @@ pub(crate) struct Attributes {
 }
 
 impl Attributes {
-    pub(crate) fn lists(&self, name: Symbol) -> impl Iterator<Item = ast::NestedMetaItem> + '_ {
+    pub(crate) fn lists(&self, name: Symbol) -> impl Iterator<Item = ast::MetaItemInner> + '_ {
         self.other_attrs.lists(name)
     }
 
diff --git a/src/tools/clippy/clippy_lints/src/attrs/allow_attributes_without_reason.rs b/src/tools/clippy/clippy_lints/src/attrs/allow_attributes_without_reason.rs
index 40959eccd3a..5d4e864b9b0 100644
--- a/src/tools/clippy/clippy_lints/src/attrs/allow_attributes_without_reason.rs
+++ b/src/tools/clippy/clippy_lints/src/attrs/allow_attributes_without_reason.rs
@@ -1,15 +1,15 @@
 use super::{ALLOW_ATTRIBUTES_WITHOUT_REASON, Attribute};
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::is_from_proc_macro;
-use rustc_ast::{MetaItemKind, NestedMetaItem};
+use rustc_ast::{MetaItemInner, MetaItemKind};
 use rustc_lint::{LateContext, LintContext};
 use rustc_middle::lint::in_external_macro;
 use rustc_span::sym;
 use rustc_span::symbol::Symbol;
 
-pub(super) fn check<'cx>(cx: &LateContext<'cx>, name: Symbol, items: &[NestedMetaItem], attr: &'cx Attribute) {
+pub(super) fn check<'cx>(cx: &LateContext<'cx>, name: Symbol, items: &[MetaItemInner], attr: &'cx Attribute) {
     // Check if the reason is present
-    if let Some(item) = items.last().and_then(NestedMetaItem::meta_item)
+    if let Some(item) = items.last().and_then(MetaItemInner::meta_item)
         && let MetaItemKind::NameValue(_) = &item.kind
         && item.path == sym::reason
     {
diff --git a/src/tools/clippy/clippy_lints/src/attrs/blanket_clippy_restriction_lints.rs b/src/tools/clippy/clippy_lints/src/attrs/blanket_clippy_restriction_lints.rs
index 508963a20ea..0baf889faa0 100644
--- a/src/tools/clippy/clippy_lints/src/attrs/blanket_clippy_restriction_lints.rs
+++ b/src/tools/clippy/clippy_lints/src/attrs/blanket_clippy_restriction_lints.rs
@@ -1,12 +1,12 @@
 use super::BLANKET_CLIPPY_RESTRICTION_LINTS;
 use super::utils::extract_clippy_lint;
 use clippy_utils::diagnostics::{span_lint_and_help, span_lint_and_then};
-use rustc_ast::NestedMetaItem;
+use rustc_ast::MetaItemInner;
 use rustc_lint::{LateContext, Level, LintContext};
 use rustc_span::symbol::Symbol;
 use rustc_span::{DUMMY_SP, sym};
 
-pub(super) fn check(cx: &LateContext<'_>, name: Symbol, items: &[NestedMetaItem]) {
+pub(super) fn check(cx: &LateContext<'_>, name: Symbol, items: &[MetaItemInner]) {
     for lint in items {
         if let Some(lint_name) = extract_clippy_lint(lint) {
             if lint_name.as_str() == "restriction" && name != sym::allow {
diff --git a/src/tools/clippy/clippy_lints/src/attrs/mod.rs b/src/tools/clippy/clippy_lints/src/attrs/mod.rs
index 888f28fa225..1a34ca99fc2 100644
--- a/src/tools/clippy/clippy_lints/src/attrs/mod.rs
+++ b/src/tools/clippy/clippy_lints/src/attrs/mod.rs
@@ -14,7 +14,7 @@ mod utils;
 
 use clippy_config::Conf;
 use clippy_config::msrvs::{self, Msrv};
-use rustc_ast::{Attribute, MetaItemKind, NestedMetaItem};
+use rustc_ast::{Attribute, MetaItemInner, MetaItemKind};
 use rustc_hir::{ImplItem, Item, ItemKind, TraitItem};
 use rustc_lint::{EarlyContext, EarlyLintPass, LateContext, LateLintPass};
 use rustc_session::impl_lint_pass;
@@ -456,7 +456,7 @@ impl<'tcx> LateLintPass<'tcx> for Attributes {
                     return;
                 }
                 for item in items {
-                    if let NestedMetaItem::MetaItem(mi) = &item
+                    if let MetaItemInner::MetaItem(mi) = &item
                         && let MetaItemKind::NameValue(lit) = &mi.kind
                         && mi.has_name(sym::since)
                     {
diff --git a/src/tools/clippy/clippy_lints/src/attrs/non_minimal_cfg.rs b/src/tools/clippy/clippy_lints/src/attrs/non_minimal_cfg.rs
index 877025cce4c..7eff5eccfa1 100644
--- a/src/tools/clippy/clippy_lints/src/attrs/non_minimal_cfg.rs
+++ b/src/tools/clippy/clippy_lints/src/attrs/non_minimal_cfg.rs
@@ -1,7 +1,7 @@
 use super::{Attribute, NON_MINIMAL_CFG};
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::source::SpanRangeExt;
-use rustc_ast::{MetaItemKind, NestedMetaItem};
+use rustc_ast::{MetaItemInner, MetaItemKind};
 use rustc_errors::Applicability;
 use rustc_lint::EarlyContext;
 use rustc_span::sym;
@@ -14,9 +14,9 @@ pub(super) fn check(cx: &EarlyContext<'_>, attr: &Attribute) {
     }
 }
 
-fn check_nested_cfg(cx: &EarlyContext<'_>, items: &[NestedMetaItem]) {
+fn check_nested_cfg(cx: &EarlyContext<'_>, items: &[MetaItemInner]) {
     for item in items {
-        if let NestedMetaItem::MetaItem(meta) = item {
+        if let MetaItemInner::MetaItem(meta) = item {
             if !meta.has_name(sym::any) && !meta.has_name(sym::all) {
                 continue;
             }
diff --git a/src/tools/clippy/clippy_lints/src/attrs/useless_attribute.rs b/src/tools/clippy/clippy_lints/src/attrs/useless_attribute.rs
index 12668c616c1..72e6ce59d59 100644
--- a/src/tools/clippy/clippy_lints/src/attrs/useless_attribute.rs
+++ b/src/tools/clippy/clippy_lints/src/attrs/useless_attribute.rs
@@ -2,7 +2,7 @@ use super::utils::{extract_clippy_lint, is_lint_level, is_word};
 use super::{Attribute, USELESS_ATTRIBUTE};
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::source::{SpanRangeExt, first_line_of_span};
-use rustc_ast::NestedMetaItem;
+use rustc_ast::MetaItemInner;
 use rustc_errors::Applicability;
 use rustc_hir::{Item, ItemKind};
 use rustc_lint::{LateContext, LintContext};
@@ -21,7 +21,7 @@ pub(super) fn check(cx: &LateContext<'_>, item: &Item<'_>, attrs: &[Attribute])
                 for lint in lint_list {
                     match item.kind {
                         ItemKind::Use(..) => {
-                            if let NestedMetaItem::MetaItem(meta_item) = lint
+                            if let MetaItemInner::MetaItem(meta_item) = lint
                                 && meta_item.is_word()
                                 && let Some(ident) = meta_item.ident()
                                 && matches!(
diff --git a/src/tools/clippy/clippy_lints/src/attrs/utils.rs b/src/tools/clippy/clippy_lints/src/attrs/utils.rs
index 91ae19acbf7..9b10ae83651 100644
--- a/src/tools/clippy/clippy_lints/src/attrs/utils.rs
+++ b/src/tools/clippy/clippy_lints/src/attrs/utils.rs
@@ -1,5 +1,5 @@
 use clippy_utils::macros::{is_panic, macro_backtrace};
-use rustc_ast::{AttrId, NestedMetaItem};
+use rustc_ast::{AttrId, MetaItemInner};
 use rustc_hir::{
     Block, Expr, ExprKind, ImplItem, ImplItemKind, Item, ItemKind, StmtKind, TraitFn, TraitItem, TraitItemKind,
 };
@@ -8,8 +8,8 @@ use rustc_middle::ty;
 use rustc_span::sym;
 use rustc_span::symbol::Symbol;
 
-pub(super) fn is_word(nmi: &NestedMetaItem, expected: Symbol) -> bool {
-    if let NestedMetaItem::MetaItem(mi) = &nmi {
+pub(super) fn is_word(nmi: &MetaItemInner, expected: Symbol) -> bool {
+    if let MetaItemInner::MetaItem(mi) = &nmi {
         mi.is_word() && mi.has_name(expected)
     } else {
         false
@@ -74,7 +74,7 @@ fn is_relevant_expr(cx: &LateContext<'_>, typeck_results: &ty::TypeckResults<'_>
 }
 
 /// Returns the lint name if it is clippy lint.
-pub(super) fn extract_clippy_lint(lint: &NestedMetaItem) -> Option<Symbol> {
+pub(super) fn extract_clippy_lint(lint: &MetaItemInner) -> Option<Symbol> {
     if let Some(meta_item) = lint.meta_item()
         && meta_item.path.segments.len() > 1
         && let tool_name = meta_item.path.segments[0].ident
diff --git a/src/tools/clippy/clippy_lints/src/cfg_not_test.rs b/src/tools/clippy/clippy_lints/src/cfg_not_test.rs
index 884d15cabff..84136a2e6c2 100644
--- a/src/tools/clippy/clippy_lints/src/cfg_not_test.rs
+++ b/src/tools/clippy/clippy_lints/src/cfg_not_test.rs
@@ -1,5 +1,5 @@
 use clippy_utils::diagnostics::span_lint_and_then;
-use rustc_ast::NestedMetaItem;
+use rustc_ast::MetaItemInner;
 use rustc_lint::{EarlyContext, EarlyLintPass};
 use rustc_session::declare_lint_pass;
 
@@ -47,7 +47,7 @@ impl EarlyLintPass for CfgNotTest {
     }
 }
 
-fn contains_not_test(list: Option<&[NestedMetaItem]>, not: bool) -> bool {
+fn contains_not_test(list: Option<&[MetaItemInner]>, not: bool) -> bool {
     list.is_some_and(|list| {
         list.iter().any(|item| {
             item.ident().is_some_and(|ident| match ident.name {
diff --git a/src/tools/clippy/clippy_lints/src/returns.rs b/src/tools/clippy/clippy_lints/src/returns.rs
index 1f223048ce5..f6f75d8c798 100644
--- a/src/tools/clippy/clippy_lints/src/returns.rs
+++ b/src/tools/clippy/clippy_lints/src/returns.rs
@@ -7,7 +7,7 @@ use clippy_utils::{
     path_to_local_id, span_contains_cfg, span_find_starting_semi,
 };
 use core::ops::ControlFlow;
-use rustc_ast::NestedMetaItem;
+use rustc_ast::MetaItemInner;
 use rustc_errors::Applicability;
 use rustc_hir::LangItem::ResultErr;
 use rustc_hir::intravisit::FnKind;
@@ -421,7 +421,7 @@ fn check_final_expr<'tcx>(
                     if matches!(Level::from_attr(attr), Some(Level::Expect(_)))
                         && let metas = attr.meta_item_list()
                         && let Some(lst) = metas
-                        && let [NestedMetaItem::MetaItem(meta_item), ..] = lst.as_slice()
+                        && let [MetaItemInner::MetaItem(meta_item), ..] = lst.as_slice()
                         && let [tool, lint_name] = meta_item.path.segments.as_slice()
                         && tool.ident.name == sym::clippy
                         && matches!(
diff --git a/src/tools/rustfmt/src/attr.rs b/src/tools/rustfmt/src/attr.rs
index 5c2068b6a22..381c938ae80 100644
--- a/src/tools/rustfmt/src/attr.rs
+++ b/src/tools/rustfmt/src/attr.rs
@@ -90,7 +90,7 @@ fn format_derive(
             let item_spans = attr.meta_item_list().map(|meta_item_list| {
                 meta_item_list
                     .into_iter()
-                    .map(|nested_meta_item| nested_meta_item.span())
+                    .map(|meta_item_inner| meta_item_inner.span())
             })?;
 
             let items = itemize_list(
@@ -243,17 +243,15 @@ fn rewrite_initial_doc_comments(
     Ok((0, None))
 }
 
-impl Rewrite for ast::NestedMetaItem {
+impl Rewrite for ast::MetaItemInner {
     fn rewrite(&self, context: &RewriteContext<'_>, shape: Shape) -> Option<String> {
         self.rewrite_result(context, shape).ok()
     }
 
     fn rewrite_result(&self, context: &RewriteContext<'_>, shape: Shape) -> RewriteResult {
         match self {
-            ast::NestedMetaItem::MetaItem(ref meta_item) => {
-                meta_item.rewrite_result(context, shape)
-            }
-            ast::NestedMetaItem::Lit(ref l) => {
+            ast::MetaItemInner::MetaItem(ref meta_item) => meta_item.rewrite_result(context, shape),
+            ast::MetaItemInner::Lit(ref l) => {
                 rewrite_literal(context, l.as_token_lit(), l.span, shape)
             }
         }
@@ -535,10 +533,10 @@ pub(crate) trait MetaVisitor<'ast> {
     fn visit_meta_list(
         &mut self,
         _meta_item: &'ast ast::MetaItem,
-        list: &'ast [ast::NestedMetaItem],
+        list: &'ast [ast::MetaItemInner],
     ) {
         for nm in list {
-            self.visit_nested_meta_item(nm);
+            self.visit_meta_item_inner(nm);
         }
     }
 
@@ -551,10 +549,10 @@ pub(crate) trait MetaVisitor<'ast> {
     ) {
     }
 
-    fn visit_nested_meta_item(&mut self, nm: &'ast ast::NestedMetaItem) {
+    fn visit_meta_item_inner(&mut self, nm: &'ast ast::MetaItemInner) {
         match nm {
-            ast::NestedMetaItem::MetaItem(ref meta_item) => self.visit_meta_item(meta_item),
-            ast::NestedMetaItem::Lit(ref lit) => self.visit_meta_item_lit(lit),
+            ast::MetaItemInner::MetaItem(ref meta_item) => self.visit_meta_item(meta_item),
+            ast::MetaItemInner::Lit(ref lit) => self.visit_meta_item_lit(lit),
         }
     }
 
diff --git a/src/tools/rustfmt/src/overflow.rs b/src/tools/rustfmt/src/overflow.rs
index fdc8e23e72b..728adff2c7d 100644
--- a/src/tools/rustfmt/src/overflow.rs
+++ b/src/tools/rustfmt/src/overflow.rs
@@ -78,7 +78,7 @@ pub(crate) enum OverflowableItem<'a> {
     Expr(&'a ast::Expr),
     GenericParam(&'a ast::GenericParam),
     MacroArg(&'a MacroArg),
-    NestedMetaItem(&'a ast::NestedMetaItem),
+    MetaItemInner(&'a ast::MetaItemInner),
     SegmentParam(&'a SegmentParam<'a>),
     FieldDef(&'a ast::FieldDef),
     TuplePatField(&'a TuplePatField<'a>),
@@ -123,7 +123,7 @@ impl<'a> OverflowableItem<'a> {
             OverflowableItem::Expr(expr) => f(*expr),
             OverflowableItem::GenericParam(gp) => f(*gp),
             OverflowableItem::MacroArg(macro_arg) => f(*macro_arg),
-            OverflowableItem::NestedMetaItem(nmi) => f(*nmi),
+            OverflowableItem::MetaItemInner(nmi) => f(*nmi),
             OverflowableItem::SegmentParam(sp) => f(*sp),
             OverflowableItem::FieldDef(sf) => f(*sf),
             OverflowableItem::TuplePatField(pat) => f(*pat),
@@ -138,9 +138,9 @@ impl<'a> OverflowableItem<'a> {
             OverflowableItem::Expr(expr) => is_simple_expr(expr),
             OverflowableItem::MacroArg(MacroArg::Keyword(..)) => true,
             OverflowableItem::MacroArg(MacroArg::Expr(expr)) => is_simple_expr(expr),
-            OverflowableItem::NestedMetaItem(nested_meta_item) => match nested_meta_item {
-                ast::NestedMetaItem::Lit(..) => true,
-                ast::NestedMetaItem::MetaItem(ref meta_item) => {
+            OverflowableItem::MetaItemInner(meta_item_inner) => match meta_item_inner {
+                ast::MetaItemInner::Lit(..) => true,
+                ast::MetaItemInner::MetaItem(ref meta_item) => {
                     matches!(meta_item.kind, ast::MetaItemKind::Word)
                 }
             },
@@ -184,12 +184,10 @@ impl<'a> OverflowableItem<'a> {
                 MacroArg::Item(..) => len == 1,
                 MacroArg::Keyword(..) => false,
             },
-            OverflowableItem::NestedMetaItem(nested_meta_item) if len == 1 => {
-                match nested_meta_item {
-                    ast::NestedMetaItem::Lit(..) => false,
-                    ast::NestedMetaItem::MetaItem(..) => true,
-                }
-            }
+            OverflowableItem::MetaItemInner(meta_item_inner) if len == 1 => match meta_item_inner {
+                ast::MetaItemInner::Lit(..) => false,
+                ast::MetaItemInner::MetaItem(..) => true,
+            },
             OverflowableItem::SegmentParam(SegmentParam::Type(ty)) => {
                 can_be_overflowed_type(context, ty, len)
             }
@@ -202,7 +200,7 @@ impl<'a> OverflowableItem<'a> {
     fn special_cases(&self, config: &Config) -> impl Iterator<Item = &(&'static str, usize)> {
         let base_cases = match self {
             OverflowableItem::MacroArg(..) => SPECIAL_CASE_MACROS,
-            OverflowableItem::NestedMetaItem(..) => SPECIAL_CASE_ATTR,
+            OverflowableItem::MetaItemInner(..) => SPECIAL_CASE_ATTR,
             _ => &[],
         };
         let additional_cases = match self {
@@ -261,7 +259,7 @@ macro_rules! impl_into_overflowable_item_for_rustfmt_types {
 impl_into_overflowable_item_for_ast_node!(
     Expr,
     GenericParam,
-    NestedMetaItem,
+    MetaItemInner,
     FieldDef,
     Ty,
     Pat,
diff --git a/src/tools/rustfmt/src/skip.rs b/src/tools/rustfmt/src/skip.rs
index d733f7068fd..cd3860d3d7f 100644
--- a/src/tools/rustfmt/src/skip.rs
+++ b/src/tools/rustfmt/src/skip.rs
@@ -116,8 +116,8 @@ fn get_skip_names(kind: &str, attrs: &[ast::Attribute]) -> Vec<String> {
         }
 
         if let Some(list) = attr.meta_item_list() {
-            for nested_meta_item in list {
-                if let Some(name) = nested_meta_item.ident() {
+            for meta_item_inner in list {
+                if let Some(name) = meta_item_inner.ident() {
                     skip_names.push(name.to_string());
                 }
             }
diff --git a/src/tools/rustfmt/src/spanned.rs b/src/tools/rustfmt/src/spanned.rs
index b4424e476ee..555a9240798 100644
--- a/src/tools/rustfmt/src/spanned.rs
+++ b/src/tools/rustfmt/src/spanned.rs
@@ -199,7 +199,7 @@ impl Spanned for MacroArg {
     }
 }
 
-impl Spanned for ast::NestedMetaItem {
+impl Spanned for ast::MetaItemInner {
     fn span(&self) -> Span {
         self.span()
     }
diff --git a/src/tools/rustfmt/src/utils.rs b/src/tools/rustfmt/src/utils.rs
index d1cfc6acc49..0ca34a79491 100644
--- a/src/tools/rustfmt/src/utils.rs
+++ b/src/tools/rustfmt/src/utils.rs
@@ -1,7 +1,7 @@
 use std::borrow::Cow;
 
 use rustc_ast::ast::{
-    self, Attribute, MetaItem, MetaItemKind, NestedMetaItem, NodeId, Path, Visibility,
+    self, Attribute, MetaItem, MetaItemInner, MetaItemKind, NodeId, Path, Visibility,
     VisibilityKind,
 };
 use rustc_ast::ptr;
@@ -257,10 +257,10 @@ fn is_skip(meta_item: &MetaItem) -> bool {
 }
 
 #[inline]
-fn is_skip_nested(meta_item: &NestedMetaItem) -> bool {
+fn is_skip_nested(meta_item: &MetaItemInner) -> bool {
     match meta_item {
-        NestedMetaItem::MetaItem(ref mi) => is_skip(mi),
-        NestedMetaItem::Lit(_) => false,
+        MetaItemInner::MetaItem(ref mi) => is_skip(mi),
+        MetaItemInner::Lit(_) => false,
     }
 }