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-rw-r--r--compiler/rustc_parse/src/parser/attr.rs6
-rw-r--r--compiler/rustc_parse/src/parser/attr_wrapper.rs4
-rw-r--r--compiler/rustc_parse/src/parser/diagnostics.rs26
-rw-r--r--compiler/rustc_parse/src/parser/expr.rs60
-rw-r--r--compiler/rustc_parse/src/parser/generics.rs2
-rw-r--r--compiler/rustc_parse/src/parser/item.rs24
-rw-r--r--compiler/rustc_parse/src/parser/mod.rs18
-rw-r--r--compiler/rustc_parse/src/parser/pat.rs21
-rw-r--r--compiler/rustc_parse/src/parser/path.rs12
-rw-r--r--compiler/rustc_parse/src/parser/stmt.rs6
-rw-r--r--compiler/rustc_parse/src/parser/ty.rs14
11 files changed, 97 insertions, 96 deletions
diff --git a/compiler/rustc_parse/src/parser/attr.rs b/compiler/rustc_parse/src/parser/attr.rs
index 685af6546f5..eb9a10f4bda 100644
--- a/compiler/rustc_parse/src/parser/attr.rs
+++ b/compiler/rustc_parse/src/parser/attr.rs
@@ -85,7 +85,7 @@ impl<'a> Parser<'a> {
                 // Always make an outer attribute - this allows us to recover from a misplaced
                 // inner attribute.
                 Some(attr::mk_doc_comment(
-                    &self.sess.attr_id_generator,
+                    &self.psess.attr_id_generator,
                     comment_kind,
                     ast::AttrStyle::Outer,
                     data,
@@ -135,7 +135,7 @@ impl<'a> Parser<'a> {
                 this.error_on_forbidden_inner_attr(attr_sp, inner_parse_policy);
             }
 
-            Ok(attr::mk_attr_from_item(&self.sess.attr_id_generator, item, None, style, attr_sp))
+            Ok(attr::mk_attr_from_item(&self.psess.attr_id_generator, item, None, style, attr_sp))
         })
     }
 
@@ -288,7 +288,7 @@ impl<'a> Parser<'a> {
                 if attr_style == ast::AttrStyle::Inner {
                     self.bump();
                     Some(attr::mk_doc_comment(
-                        &self.sess.attr_id_generator,
+                        &self.psess.attr_id_generator,
                         comment_kind,
                         attr_style,
                         data,
diff --git a/compiler/rustc_parse/src/parser/attr_wrapper.rs b/compiler/rustc_parse/src/parser/attr_wrapper.rs
index 2307f4cfffa..a1dd7d6f673 100644
--- a/compiler/rustc_parse/src/parser/attr_wrapper.rs
+++ b/compiler/rustc_parse/src/parser/attr_wrapper.rs
@@ -40,8 +40,8 @@ impl AttrWrapper {
         AttrWrapper { attrs: AttrVec::new(), start_pos: usize::MAX }
     }
 
-    pub(crate) fn take_for_recovery(self, sess: &ParseSess) -> AttrVec {
-        sess.dcx.span_delayed_bug(
+    pub(crate) fn take_for_recovery(self, psess: &ParseSess) -> AttrVec {
+        psess.dcx.span_delayed_bug(
             self.attrs.get(0).map(|attr| attr.span).unwrap_or(DUMMY_SP),
             "AttrVec is taken for recovery but no error is produced",
         );
diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs
index 2a8cb74337b..2f7ac7d3a12 100644
--- a/compiler/rustc_parse/src/parser/diagnostics.rs
+++ b/compiler/rustc_parse/src/parser/diagnostics.rs
@@ -242,7 +242,7 @@ impl<'a> DerefMut for SnapshotParser<'a> {
 
 impl<'a> Parser<'a> {
     pub fn dcx(&self) -> &'a DiagCtxt {
-        &self.sess.dcx
+        &self.psess.dcx
     }
 
     /// Replace `self` with `snapshot.parser`.
@@ -257,7 +257,7 @@ impl<'a> Parser<'a> {
     }
 
     pub(super) fn span_to_snippet(&self, span: Span) -> Result<String, SpanSnippetError> {
-        self.sess.source_map().span_to_snippet(span)
+        self.psess.source_map().span_to_snippet(span)
     }
 
     /// Emits an error with suggestions if an identifier was expected but not found.
@@ -364,7 +364,7 @@ impl<'a> Parser<'a> {
 
                             if !self.look_ahead(1, |t| *t == token::Lt)
                                 && let Ok(snippet) =
-                                    self.sess.source_map().span_to_snippet(generic.span)
+                                    self.psess.source_map().span_to_snippet(generic.span)
                             {
                                 err.multipart_suggestion_verbose(
                                         format!("place the generic parameter name after the {ident_name} name"),
@@ -489,7 +489,7 @@ impl<'a> Parser<'a> {
         expected.sort_by_cached_key(|x| x.to_string());
         expected.dedup();
 
-        let sm = self.sess.source_map();
+        let sm = self.psess.source_map();
 
         // Special-case "expected `;`" errors.
         if expected.contains(&TokenType::Token(token::Semi)) {
@@ -822,7 +822,7 @@ impl<'a> Parser<'a> {
                 // #[cfg(..)]
                 // other_expr
                 // So we suggest using `if cfg!(..) { expr } else if cfg!(..) { other_expr }`.
-                let margin = self.sess.source_map().span_to_margin(next_expr.span).unwrap_or(0);
+                let margin = self.psess.source_map().span_to_margin(next_expr.span).unwrap_or(0);
                 let sugg = vec![
                     (attr.span.with_hi(segment.span().hi()), "if cfg!".to_string()),
                     (args_span.shrink_to_hi().with_hi(attr.span.hi()), " {".to_string()),
@@ -850,7 +850,7 @@ impl<'a> Parser<'a> {
     }
 
     fn check_too_many_raw_str_terminators(&mut self, err: &mut Diag<'_>) -> bool {
-        let sm = self.sess.source_map();
+        let sm = self.psess.source_map();
         match (&self.prev_token.kind, &self.token.kind) {
             (
                 TokenKind::Literal(Lit {
@@ -935,7 +935,7 @@ impl<'a> Parser<'a> {
                         // expand `before` so that we take care of module path such as:
                         // `foo::Bar { ... } `
                         // we expect to suggest `(foo::Bar { ... })` instead of `foo::(Bar { ... })`
-                        let sm = self.sess.source_map();
+                        let sm = self.psess.source_map();
                         let before = maybe_struct_name.span.shrink_to_lo();
                         if let Ok(extend_before) = sm.span_extend_prev_while(before, |t| {
                             t.is_alphanumeric() || t == ':' || t == '_'
@@ -1872,7 +1872,7 @@ impl<'a> Parser<'a> {
         );
         let mut err = self.dcx().struct_span_err(sp, msg);
         let label_exp = format!("expected `{token_str}`");
-        let sm = self.sess.source_map();
+        let sm = self.psess.source_map();
         if !sm.is_multiline(prev_sp.until(sp)) {
             // When the spans are in the same line, it means that the only content
             // between them is whitespace, point only at the found token.
@@ -1893,7 +1893,7 @@ impl<'a> Parser<'a> {
 
     pub(super) fn recover_colon_as_semi(&mut self) -> bool {
         let line_idx = |span: Span| {
-            self.sess
+            self.psess
                 .source_map()
                 .span_to_lines(span)
                 .ok()
@@ -1906,7 +1906,7 @@ impl<'a> Parser<'a> {
         {
             self.dcx().emit_err(ColonAsSemi {
                 span: self.token.span,
-                type_ascription: self.sess.unstable_features.is_nightly_build().then_some(()),
+                type_ascription: self.psess.unstable_features.is_nightly_build().then_some(()),
             });
             self.bump();
             return true;
@@ -2357,8 +2357,8 @@ impl<'a> Parser<'a> {
             ),
         };
         let mut err = self.dcx().struct_span_err(span, msg);
-        let sp = self.sess.source_map().start_point(self.token.span);
-        if let Some(sp) = self.sess.ambiguous_block_expr_parse.borrow().get(&sp) {
+        let sp = self.psess.source_map().start_point(self.token.span);
+        if let Some(sp) = self.psess.ambiguous_block_expr_parse.borrow().get(&sp) {
             err.subdiagnostic(self.dcx(), ExprParenthesesNeeded::surrounding(*sp));
         }
         err.span_label(span, "expected expression");
@@ -2539,7 +2539,7 @@ impl<'a> Parser<'a> {
         };
 
         let ident = param.ident.to_string();
-        let sugg = match (ty_generics, self.sess.source_map().span_to_snippet(param.span())) {
+        let sugg = match (ty_generics, self.psess.source_map().span_to_snippet(param.span())) {
             (Some(Generics { params, span: impl_generics, .. }), Ok(snippet)) => {
                 Some(match &params[..] {
                     [] => UnexpectedConstParamDeclarationSugg::AddParam {
diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs
index 54771cccd75..eb9a2659618 100644
--- a/compiler/rustc_parse/src/parser/expr.rs
+++ b/compiler/rustc_parse/src/parser/expr.rs
@@ -403,8 +403,8 @@ impl<'a> Parser<'a> {
                 // suggestions based on the assumption that double-refs are rarely intentional,
                 // and closures are distinct enough that they don't get mixed up with their
                 // return value.
-                let sp = self.sess.source_map().start_point(self.token.span);
-                self.sess.ambiguous_block_expr_parse.borrow_mut().insert(sp, lhs.span);
+                let sp = self.psess.source_map().start_point(self.token.span);
+                self.psess.ambiguous_block_expr_parse.borrow_mut().insert(sp, lhs.span);
                 false
             }
             (true, Some(op)) if !op.can_continue_expr_unambiguously() => false,
@@ -608,7 +608,7 @@ impl<'a> Parser<'a> {
                 };
 
                 // a block on the LHS might have been intended to be an expression instead
-                if let Some(sp) = this.sess.ambiguous_block_expr_parse.borrow().get(&lo) {
+                if let Some(sp) = this.psess.ambiguous_block_expr_parse.borrow().get(&lo) {
                     err.add_parentheses = Some(ExprParenthesesNeeded::surrounding(*sp));
                 } else {
                     err.remove_plus = Some(lo);
@@ -666,7 +666,7 @@ impl<'a> Parser<'a> {
     fn parse_expr_box(&mut self, box_kw: Span) -> PResult<'a, (Span, ExprKind)> {
         let (span, _) = self.parse_expr_prefix_common(box_kw)?;
         let inner_span = span.with_lo(box_kw.hi());
-        let code = self.sess.source_map().span_to_snippet(inner_span).unwrap();
+        let code = self.psess.source_map().span_to_snippet(inner_span).unwrap();
         let guar = self.dcx().emit_err(errors::BoxSyntaxRemoved { span: span, code: code.trim() });
         Ok((span, ExprKind::Err(guar)))
     }
@@ -700,7 +700,7 @@ impl<'a> Parser<'a> {
             // Span the `not` plus trailing whitespace to avoid
             // trailing whitespace after the `!` in our suggestion
             sub: sub_diag(
-                self.sess.source_map().span_until_non_whitespace(lo.to(negated_token.span)),
+                self.psess.source_map().span_until_non_whitespace(lo.to(negated_token.span)),
             ),
         });
 
@@ -915,7 +915,7 @@ impl<'a> Parser<'a> {
             let found_raw = self.eat_keyword(kw::Raw);
             assert!(found_raw);
             let mutability = self.parse_const_or_mut().unwrap();
-            self.sess.gated_spans.gate(sym::raw_ref_op, lo.to(self.prev_token.span));
+            self.psess.gated_spans.gate(sym::raw_ref_op, lo.to(self.prev_token.span));
             (ast::BorrowKind::Raw, mutability)
         } else {
             // `mut?`
@@ -1013,7 +1013,7 @@ impl<'a> Parser<'a> {
     fn error_unexpected_after_dot(&self) {
         let actual = pprust::token_to_string(&self.token);
         let span = self.token.span;
-        let sm = self.sess.source_map();
+        let sm = self.psess.source_map();
         let (span, actual) = match (&self.token.kind, self.subparser_name) {
             (token::Eof, Some(_)) if let Ok(actual) = sm.span_to_snippet(sm.next_point(span)) => {
                 (span.shrink_to_hi(), actual.into())
@@ -1434,7 +1434,7 @@ impl<'a> Parser<'a> {
                 this.parse_expr_closure().map_err(|mut err| {
                     // If the input is something like `if a { 1 } else { 2 } | if a { 3 } else { 4 }`
                     // then suggest parens around the lhs.
-                    if let Some(sp) = this.sess.ambiguous_block_expr_parse.borrow().get(&lo) {
+                    if let Some(sp) = this.psess.ambiguous_block_expr_parse.borrow().get(&lo) {
                         err.subdiagnostic(this.dcx(), ExprParenthesesNeeded::surrounding(*sp));
                     }
                     err
@@ -1634,7 +1634,7 @@ impl<'a> Parser<'a> {
             && let Some(expr) = self.maybe_parse_struct_expr(&qself, &path)
         {
             if qself.is_some() {
-                self.sess.gated_spans.gate(sym::more_qualified_paths, path.span);
+                self.psess.gated_spans.gate(sym::more_qualified_paths, path.span);
             }
             return expr;
         } else {
@@ -1821,7 +1821,7 @@ impl<'a> Parser<'a> {
         let kind = ExprKind::Yeet(self.parse_expr_opt()?);
 
         let span = lo.to(self.prev_token.span);
-        self.sess.gated_spans.gate(sym::yeet_expr, span);
+        self.psess.gated_spans.gate(sym::yeet_expr, span);
         let expr = self.mk_expr(span, kind);
         self.maybe_recover_from_bad_qpath(expr)
     }
@@ -1831,7 +1831,7 @@ impl<'a> Parser<'a> {
         let lo = self.prev_token.span;
         let kind = ExprKind::Become(self.parse_expr()?);
         let span = lo.to(self.prev_token.span);
-        self.sess.gated_spans.gate(sym::explicit_tail_calls, span);
+        self.psess.gated_spans.gate(sym::explicit_tail_calls, span);
         let expr = self.mk_expr(span, kind);
         self.maybe_recover_from_bad_qpath(expr)
     }
@@ -1875,7 +1875,7 @@ impl<'a> Parser<'a> {
                             | ExprKind::Block(_, None)
                     )
                 {
-                    self.sess.buffer_lint_with_diagnostic(
+                    self.psess.buffer_lint_with_diagnostic(
                         BREAK_WITH_LABEL_AND_LOOP,
                         lo.to(expr.span),
                         ast::CRATE_NODE_ID,
@@ -1926,7 +1926,7 @@ impl<'a> Parser<'a> {
         let lo = self.prev_token.span;
         let kind = ExprKind::Yield(self.parse_expr_opt()?);
         let span = lo.to(self.prev_token.span);
-        self.sess.gated_spans.gate(sym::yield_expr, span);
+        self.psess.gated_spans.gate(sym::yield_expr, span);
         let expr = self.mk_expr(span, kind);
         self.maybe_recover_from_bad_qpath(expr)
     }
@@ -1955,7 +1955,7 @@ impl<'a> Parser<'a> {
             let err = self.dcx().create_err(errors::ExpectedBuiltinIdent { span: self.token.span });
             return Err(err);
         };
-        self.sess.gated_spans.gate(sym::builtin_syntax, ident.span);
+        self.psess.gated_spans.gate(sym::builtin_syntax, ident.span);
         self.bump();
 
         self.expect(&TokenKind::OpenDelim(Delimiter::Parenthesis))?;
@@ -2143,7 +2143,7 @@ impl<'a> Parser<'a> {
                     Err(err) => {
                         let span = token.uninterpolated_span();
                         self.bump();
-                        let guar = report_lit_error(self.sess, err, lit, span);
+                        let guar = report_lit_error(self.psess, err, lit, span);
                         // Pack possible quotes and prefixes from the original literal into
                         // the error literal's symbol so they can be pretty-printed faithfully.
                         let suffixless_lit = token::Lit::new(lit.kind, lit.symbol, None);
@@ -2236,7 +2236,7 @@ impl<'a> Parser<'a> {
         }
 
         if self.token.kind == token::Comma {
-            if !self.sess.source_map().is_multiline(prev_span.until(self.token.span)) {
+            if !self.psess.source_map().is_multiline(prev_span.until(self.token.span)) {
                 return Ok(());
             }
             let mut snapshot = self.create_snapshot_for_diagnostic();
@@ -2312,7 +2312,7 @@ impl<'a> Parser<'a> {
             let lifetime_defs = self.parse_late_bound_lifetime_defs()?;
             let span = lo.to(self.prev_token.span);
 
-            self.sess.gated_spans.gate(sym::closure_lifetime_binder, span);
+            self.psess.gated_spans.gate(sym::closure_lifetime_binder, span);
 
             ClosureBinder::For { span, generic_params: lifetime_defs }
         } else {
@@ -2354,12 +2354,12 @@ impl<'a> Parser<'a> {
         match coroutine_kind {
             Some(CoroutineKind::Async { span, .. }) => {
                 // Feature-gate `async ||` closures.
-                self.sess.gated_spans.gate(sym::async_closure, span);
+                self.psess.gated_spans.gate(sym::async_closure, span);
             }
             Some(CoroutineKind::Gen { span, .. }) | Some(CoroutineKind::AsyncGen { span, .. }) => {
                 // Feature-gate `gen ||` and `async gen ||` closures.
                 // FIXME(gen_blocks): This perhaps should be a different gate.
-                self.sess.gated_spans.gate(sym::gen_blocks, span);
+                self.psess.gated_spans.gate(sym::gen_blocks, span);
             }
             None => {}
         }
@@ -2502,7 +2502,7 @@ impl<'a> Parser<'a> {
                 ExprKind::Block(_, None) => {
                     let guar = this.dcx().emit_err(errors::IfExpressionMissingCondition {
                         if_span: lo.with_neighbor(cond.span).shrink_to_hi(),
-                        block_span: self.sess.source_map().start_point(cond_span),
+                        block_span: self.psess.source_map().start_point(cond_span),
                     });
                     std::mem::replace(&mut cond, this.mk_expr_err(cond_span.shrink_to_hi(), guar))
                 }
@@ -2594,7 +2594,7 @@ impl<'a> Parser<'a> {
 
         if let ExprKind::Let(_, _, _, None) = cond.kind {
             // Remove the last feature gating of a `let` expression since it's stable.
-            self.sess.gated_spans.ungate_last(sym::let_chains, cond.span);
+            self.psess.gated_spans.ungate_last(sym::let_chains, cond.span);
         }
 
         Ok(cond)
@@ -2690,7 +2690,7 @@ impl<'a> Parser<'a> {
         attrs: AttrWrapper,
     ) {
         if !attrs.is_empty()
-            && let [x0 @ xn] | [x0, .., xn] = &*attrs.take_for_recovery(self.sess)
+            && let [x0 @ xn] | [x0, .., xn] = &*attrs.take_for_recovery(self.psess)
         {
             let attributes = x0.span.to(xn.span);
             let last = xn.span;
@@ -2787,7 +2787,7 @@ impl<'a> Parser<'a> {
             self.token.uninterpolated_span().at_least_rust_2018() && self.eat_keyword(kw::Await);
 
         if is_await {
-            self.sess.gated_spans.gate(sym::async_for_loop, self.prev_token.span);
+            self.psess.gated_spans.gate(sym::async_for_loop, self.prev_token.span);
         }
 
         let kind = if is_await { ForLoopKind::ForAwait } else { ForLoopKind::For };
@@ -3048,7 +3048,7 @@ impl<'a> Parser<'a> {
                     |x| {
                         // Don't gate twice
                         if !pat.contains_never_pattern() {
-                            this.sess.gated_spans.gate(sym::never_patterns, pat.span);
+                            this.psess.gated_spans.gate(sym::never_patterns, pat.span);
                         }
                         x
                     },
@@ -3103,7 +3103,7 @@ impl<'a> Parser<'a> {
                     this.expect_one_of(&[token::Comma], &[token::CloseDelim(Delimiter::Brace)])
                         .map_err(|mut err| {
                             if this.token == token::FatArrow {
-                                let sm = this.sess.source_map();
+                                let sm = this.psess.source_map();
                                 if let Ok(expr_lines) = sm.span_to_lines(expr_span)
                                     && let Ok(arm_start_lines) = sm.span_to_lines(arm_start_span)
                                     && arm_start_lines.lines[0].end_col
@@ -3227,10 +3227,10 @@ impl<'a> Parser<'a> {
         if has_let_expr {
             if does_not_have_bin_op {
                 // Remove the last feature gating of a `let` expression since it's stable.
-                self.sess.gated_spans.ungate_last(sym::let_chains, cond.span);
+                self.psess.gated_spans.ungate_last(sym::let_chains, cond.span);
             }
             let span = if_span.to(cond.span);
-            self.sess.gated_spans.gate(sym::if_let_guard, span);
+            self.psess.gated_spans.gate(sym::if_let_guard, span);
         }
         Ok(Some(cond))
     }
@@ -3321,7 +3321,7 @@ impl<'a> Parser<'a> {
             Err(self.dcx().create_err(errors::CatchAfterTry { span: self.prev_token.span }))
         } else {
             let span = span_lo.to(body.span);
-            self.sess.gated_spans.gate(sym::try_blocks, span);
+            self.psess.gated_spans.gate(sym::try_blocks, span);
             Ok(self.mk_expr_with_attrs(span, ExprKind::TryBlock(body), attrs))
         }
     }
@@ -3359,7 +3359,7 @@ impl<'a> Parser<'a> {
                 // `async` blocks are stable
             }
             GenBlockKind::Gen | GenBlockKind::AsyncGen => {
-                self.sess.gated_spans.gate(sym::gen_blocks, lo.to(self.prev_token.span));
+                self.psess.gated_spans.gate(sym::gen_blocks, lo.to(self.prev_token.span));
             }
         }
         let capture_clause = self.parse_capture_clause()?;
@@ -3876,7 +3876,7 @@ impl MutVisitor for CondChecker<'_> {
                             comparison: self.comparison,
                         }));
                 } else {
-                    self.parser.sess.gated_spans.gate(sym::let_chains, span);
+                    self.parser.psess.gated_spans.gate(sym::let_chains, span);
                 }
             }
             ExprKind::Binary(Spanned { node: BinOpKind::And, .. }, _, _) => {
diff --git a/compiler/rustc_parse/src/parser/generics.rs b/compiler/rustc_parse/src/parser/generics.rs
index e059e707491..263b2a90643 100644
--- a/compiler/rustc_parse/src/parser/generics.rs
+++ b/compiler/rustc_parse/src/parser/generics.rs
@@ -420,7 +420,7 @@ impl<'a> Parser<'a> {
                         type_err.cancel();
 
                         let body_sp = pred_lo.to(snapshot.prev_token.span);
-                        let map = self.sess.source_map();
+                        let map = self.psess.source_map();
 
                         self.dcx().emit_err(WhereClauseBeforeTupleStructBody {
                             span: where_sp,
diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs
index d8587f1340a..79492fe62ed 100644
--- a/compiler/rustc_parse/src/parser/item.rs
+++ b/compiler/rustc_parse/src/parser/item.rs
@@ -563,7 +563,7 @@ impl<'a> Parser<'a> {
 
         let constness = self.parse_constness(Case::Sensitive);
         if let Const::Yes(span) = constness {
-            self.sess.gated_spans.gate(sym::const_trait_impl, span);
+            self.psess.gated_spans.gate(sym::const_trait_impl, span);
         }
 
         // Parse stray `impl async Trait`
@@ -699,7 +699,7 @@ impl<'a> Parser<'a> {
             None
         };
         let span = span.to(self.prev_token.span);
-        self.sess.gated_spans.gate(sym::fn_delegation, span);
+        self.psess.gated_spans.gate(sym::fn_delegation, span);
 
         let ident = path.segments.last().map(|seg| seg.ident).unwrap_or(Ident::empty());
         Ok((
@@ -859,7 +859,7 @@ impl<'a> Parser<'a> {
         let unsafety = self.parse_unsafety(Case::Sensitive);
         // Parse optional `auto` prefix.
         let is_auto = if self.eat_keyword(kw::Auto) {
-            self.sess.gated_spans.gate(sym::auto_traits, self.prev_token.span);
+            self.psess.gated_spans.gate(sym::auto_traits, self.prev_token.span);
             IsAuto::Yes
         } else {
             IsAuto::No
@@ -894,7 +894,7 @@ impl<'a> Parser<'a> {
                 self.dcx().emit_err(errors::TraitAliasCannotBeUnsafe { span: whole_span });
             }
 
-            self.sess.gated_spans.gate(sym::trait_alias, whole_span);
+            self.psess.gated_spans.gate(sym::trait_alias, whole_span);
 
             Ok((ident, ItemKind::TraitAlias(generics, bounds)))
         } else {
@@ -1209,7 +1209,7 @@ impl<'a> Parser<'a> {
 
     fn error_bad_item_kind<T>(&self, span: Span, kind: &ItemKind, ctx: &'static str) -> Option<T> {
         // FIXME(#100717): needs variant for each `ItemKind` (instead of using `ItemKind::descr()`)
-        let span = self.sess.source_map().guess_head_span(span);
+        let span = self.psess.source_map().guess_head_span(span);
         let descr = kind.descr();
         self.dcx().emit_err(errors::BadItemKind { span, descr, ctx });
         None
@@ -1332,7 +1332,7 @@ impl<'a> Parser<'a> {
         // Check the span for emptiness instead of the list of parameters in order to correctly
         // recognize and subsequently flag empty parameter lists (`<>`) as unstable.
         if !generics.span.is_empty() {
-            self.sess.gated_spans.gate(sym::generic_const_items, generics.span);
+            self.psess.gated_spans.gate(sym::generic_const_items, generics.span);
         }
 
         // Parse the type of a constant item. That is, the `":" $ty` fragment.
@@ -1366,7 +1366,7 @@ impl<'a> Parser<'a> {
                 name: ident.span,
                 body: expr.span,
                 sugg: if !after_where_clause.has_where_token {
-                    self.sess.source_map().span_to_snippet(expr.span).ok().map(|body| {
+                    self.psess.source_map().span_to_snippet(expr.span).ok().map(|body| {
                         errors::WhereClauseBeforeConstBodySugg {
                             left: before_where_clause.span.shrink_to_lo(),
                             snippet: body,
@@ -1401,7 +1401,7 @@ impl<'a> Parser<'a> {
         };
 
         if where_clause.has_where_token {
-            self.sess.gated_spans.gate(sym::generic_const_items, where_clause.span);
+            self.psess.gated_spans.gate(sym::generic_const_items, where_clause.span);
         }
 
         generics.where_clause = where_clause;
@@ -1898,7 +1898,7 @@ impl<'a> Parser<'a> {
 
     fn expect_field_ty_separator(&mut self) -> PResult<'a, ()> {
         if let Err(err) = self.expect(&token::Colon) {
-            let sm = self.sess.source_map();
+            let sm = self.psess.source_map();
             let eq_typo = self.token.kind == token::Eq && self.look_ahead(1, |t| t.is_path_start());
             let semi_typo = self.token.kind == token::Semi
                 && self.look_ahead(1, |t| {
@@ -1970,7 +1970,7 @@ impl<'a> Parser<'a> {
     fn parse_field_ident(&mut self, adt_ty: &str, lo: Span) -> PResult<'a, Ident> {
         let (ident, is_raw) = self.ident_or_err(true)?;
         if ident.name == kw::Underscore {
-            self.sess.gated_spans.gate(sym::unnamed_fields, lo);
+            self.psess.gated_spans.gate(sym::unnamed_fields, lo);
         } else if matches!(is_raw, IdentIsRaw::No) && ident.is_reserved() {
             let snapshot = self.create_snapshot_for_diagnostic();
             let err = if self.check_fn_front_matter(false, Case::Sensitive) {
@@ -2080,7 +2080,7 @@ impl<'a> Parser<'a> {
             return self.unexpected();
         };
 
-        self.sess.gated_spans.gate(sym::decl_macro, lo.to(self.prev_token.span));
+        self.psess.gated_spans.gate(sym::decl_macro, lo.to(self.prev_token.span));
         Ok((ident, ItemKind::MacroDef(ast::MacroDef { body, macro_rules: false })))
     }
 
@@ -2460,7 +2460,7 @@ impl<'a> Parser<'a> {
 
         match coroutine_kind {
             Some(CoroutineKind::Gen { span, .. }) | Some(CoroutineKind::AsyncGen { span, .. }) => {
-                self.sess.gated_spans.gate(sym::gen_blocks, span);
+                self.psess.gated_spans.gate(sym::gen_blocks, span);
             }
             Some(CoroutineKind::Async { .. }) | None => {}
         }
diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs
index 8542ea62310..12879dc429b 100644
--- a/compiler/rustc_parse/src/parser/mod.rs
+++ b/compiler/rustc_parse/src/parser/mod.rs
@@ -128,7 +128,7 @@ pub enum Recovery {
 
 #[derive(Clone)]
 pub struct Parser<'a> {
-    pub sess: &'a ParseSess,
+    pub psess: &'a ParseSess,
     /// The current token.
     pub token: Token,
     /// The spacing for the current token.
@@ -414,12 +414,12 @@ pub(super) fn token_descr(token: &Token) -> String {
 
 impl<'a> Parser<'a> {
     pub fn new(
-        sess: &'a ParseSess,
+        psess: &'a ParseSess,
         stream: TokenStream,
         subparser_name: Option<&'static str>,
     ) -> Self {
         let mut parser = Parser {
-            sess,
+            psess,
             token: Token::dummy(),
             token_spacing: Spacing::Alone,
             prev_token: Token::dummy(),
@@ -714,7 +714,7 @@ impl<'a> Parser<'a> {
         }
         match self.token.kind.break_two_token_op() {
             Some((first, second)) if first == expected => {
-                let first_span = self.sess.source_map().start_point(self.token.span);
+                let first_span = self.psess.source_map().start_point(self.token.span);
                 let second_span = self.token.span.with_lo(first_span.hi());
                 self.token = Token::new(first, first_span);
                 // Keep track of this token - if we end token capturing now,
@@ -1213,7 +1213,7 @@ impl<'a> Parser<'a> {
     fn parse_closure_constness(&mut self) -> Const {
         let constness = self.parse_constness_(Case::Sensitive, true);
         if let Const::Yes(span) = constness {
-            self.sess.gated_spans.gate(sym::const_closures, span);
+            self.psess.gated_spans.gate(sym::const_closures, span);
         }
         constness
     }
@@ -1234,9 +1234,9 @@ impl<'a> Parser<'a> {
     /// Parses inline const expressions.
     fn parse_const_block(&mut self, span: Span, pat: bool) -> PResult<'a, P<Expr>> {
         if pat {
-            self.sess.gated_spans.gate(sym::inline_const_pat, span);
+            self.psess.gated_spans.gate(sym::inline_const_pat, span);
         } else {
-            self.sess.gated_spans.gate(sym::inline_const, span);
+            self.psess.gated_spans.gate(sym::inline_const, span);
         }
         self.eat_keyword(kw::Const);
         let (attrs, blk) = self.parse_inner_attrs_and_block()?;
@@ -1521,7 +1521,7 @@ impl<'a> Parser<'a> {
 
 pub(crate) fn make_unclosed_delims_error(
     unmatched: UnmatchedDelim,
-    sess: &ParseSess,
+    psess: &ParseSess,
 ) -> Option<Diag<'_>> {
     // `None` here means an `Eof` was found. We already emit those errors elsewhere, we add them to
     // `unmatched_delims` only for error recovery in the `Parser`.
@@ -1530,7 +1530,7 @@ pub(crate) fn make_unclosed_delims_error(
     if let Some(sp) = unmatched.unclosed_span {
         spans.push(sp);
     };
-    let err = sess.dcx.create_err(MismatchedClosingDelimiter {
+    let err = psess.dcx.create_err(MismatchedClosingDelimiter {
         spans,
         delimiter: pprust::token_kind_to_string(&token::CloseDelim(found_delim)).to_string(),
         unmatched: unmatched.found_span,
diff --git a/compiler/rustc_parse/src/parser/pat.rs b/compiler/rustc_parse/src/parser/pat.rs
index 7aeab6488a5..88ae1b5420f 100644
--- a/compiler/rustc_parse/src/parser/pat.rs
+++ b/compiler/rustc_parse/src/parser/pat.rs
@@ -470,7 +470,7 @@ impl<'a> Parser<'a> {
             self.parse_pat_range_to(form)? // `..=X`, `...X`, or `..X`.
         } else if self.eat(&token::Not) {
             // Parse `!`
-            self.sess.gated_spans.gate(sym::never_patterns, self.prev_token.span);
+            self.psess.gated_spans.gate(sym::never_patterns, self.prev_token.span);
             PatKind::Never
         } else if self.eat_keyword(kw::Underscore) {
             // Parse `_`
@@ -843,8 +843,8 @@ impl<'a> Parser<'a> {
         let mut err = self.dcx().struct_span_err(self.token.span, msg);
         err.span_label(self.token.span, format!("expected {expected}"));
 
-        let sp = self.sess.source_map().start_point(self.token.span);
-        if let Some(sp) = self.sess.ambiguous_block_expr_parse.borrow().get(&sp) {
+        let sp = self.psess.source_map().start_point(self.token.span);
+        if let Some(sp) = self.psess.ambiguous_block_expr_parse.borrow().get(&sp) {
             err.subdiagnostic(self.dcx(), ExprParenthesesNeeded::surrounding(*sp));
         }
 
@@ -1067,7 +1067,7 @@ impl<'a> Parser<'a> {
     fn parse_pat_struct(&mut self, qself: Option<P<QSelf>>, path: Path) -> PResult<'a, PatKind> {
         if qself.is_some() {
             // Feature gate the use of qualified paths in patterns
-            self.sess.gated_spans.gate(sym::more_qualified_paths, path.span);
+            self.psess.gated_spans.gate(sym::more_qualified_paths, path.span);
         }
         self.bump();
         let (fields, etc) = self.parse_pat_fields().unwrap_or_else(|mut e| {
@@ -1096,7 +1096,7 @@ impl<'a> Parser<'a> {
             )
         })?;
         if qself.is_some() {
-            self.sess.gated_spans.gate(sym::more_qualified_paths, path.span);
+            self.psess.gated_spans.gate(sym::more_qualified_paths, path.span);
         }
         Ok(PatKind::TupleStruct(qself, path, fields))
     }
@@ -1143,7 +1143,7 @@ impl<'a> Parser<'a> {
             Ok(PatKind::Ident(BindingAnnotation::NONE, Ident::new(kw::Box, box_span), sub))
         } else {
             let pat = self.parse_pat_with_range_pat(false, None, None)?;
-            self.sess.gated_spans.gate(sym::box_patterns, box_span.to(self.prev_token.span));
+            self.psess.gated_spans.gate(sym::box_patterns, box_span.to(self.prev_token.span));
             Ok(PatKind::Box(pat))
         }
     }
@@ -1192,15 +1192,15 @@ impl<'a> Parser<'a> {
                         .look_ahead(1, |t| if *t == token::Comma { Some(t.clone()) } else { None })
                     {
                         let nw_span = self
-                            .sess
+                            .psess
                             .source_map()
                             .span_extend_to_line(comma_tok.span)
                             .trim_start(comma_tok.span.shrink_to_lo())
-                            .map(|s| self.sess.source_map().span_until_non_whitespace(s));
+                            .map(|s| self.psess.source_map().span_until_non_whitespace(s));
                         first_etc_and_maybe_comma_span = nw_span.map(|s| etc_sp.to(s));
                     } else {
                         first_etc_and_maybe_comma_span =
-                            Some(self.sess.source_map().span_until_non_whitespace(etc_sp));
+                            Some(self.psess.source_map().span_until_non_whitespace(etc_sp));
                     }
                 }
 
@@ -1218,7 +1218,8 @@ impl<'a> Parser<'a> {
                 let mut comma_sp = None;
                 if self.token == token::Comma {
                     // Issue #49257
-                    let nw_span = self.sess.source_map().span_until_non_whitespace(self.token.span);
+                    let nw_span =
+                        self.psess.source_map().span_until_non_whitespace(self.token.span);
                     etc_sp = etc_sp.to(nw_span);
                     err.span_label(
                         etc_sp,
diff --git a/compiler/rustc_parse/src/parser/path.rs b/compiler/rustc_parse/src/parser/path.rs
index 6e7bbe7e06d..545db5138a3 100644
--- a/compiler/rustc_parse/src/parser/path.rs
+++ b/compiler/rustc_parse/src/parser/path.rs
@@ -250,7 +250,7 @@ impl<'a> Parser<'a> {
                         self.dcx().emit_err(PathSingleColon {
                             span: self.prev_token.span,
                             type_ascription: self
-                                .sess
+                                .psess
                                 .unstable_features
                                 .is_nightly_build()
                                 .then_some(()),
@@ -322,7 +322,7 @@ impl<'a> Parser<'a> {
                             err = self.dcx().create_err(PathSingleColon {
                                 span: self.token.span,
                                 type_ascription: self
-                                    .sess
+                                    .psess
                                     .unstable_features
                                     .is_nightly_build()
                                     .then_some(()),
@@ -638,9 +638,9 @@ impl<'a> Parser<'a> {
                             && args.inputs.is_empty()
                             && matches!(args.output, ast::FnRetTy::Default(..))
                         {
-                            self.sess.gated_spans.gate(sym::return_type_notation, span);
+                            self.psess.gated_spans.gate(sym::return_type_notation, span);
                         } else {
-                            self.sess.gated_spans.gate(sym::associated_type_bounds, span);
+                            self.psess.gated_spans.gate(sym::associated_type_bounds, span);
                         }
                     }
                     let constraint =
@@ -675,7 +675,7 @@ impl<'a> Parser<'a> {
         let term = match arg {
             Some(GenericArg::Type(ty)) => ty.into(),
             Some(GenericArg::Const(c)) => {
-                self.sess.gated_spans.gate(sym::associated_const_equality, span);
+                self.psess.gated_spans.gate(sym::associated_const_equality, span);
                 c.into()
             }
             Some(GenericArg::Lifetime(lt)) => {
@@ -691,7 +691,7 @@ impl<'a> Parser<'a> {
                     .struct_span_err(after_eq.to(before_next), "missing type to the right of `=`");
                 if matches!(self.token.kind, token::Comma | token::Gt) {
                     err.span_suggestion(
-                        self.sess.source_map().next_point(eq).to(before_next),
+                        self.psess.source_map().next_point(eq).to(before_next),
                         "to constrain the associated type, add a type after `=`",
                         " TheType",
                         Applicability::HasPlaceholders,
diff --git a/compiler/rustc_parse/src/parser/stmt.rs b/compiler/rustc_parse/src/parser/stmt.rs
index 65c0f7d49c1..54854cd2da9 100644
--- a/compiler/rustc_parse/src/parser/stmt.rs
+++ b/compiler/rustc_parse/src/parser/stmt.rs
@@ -230,7 +230,7 @@ impl<'a> Parser<'a> {
     /// Also error if the previous token was a doc comment.
     fn error_outer_attrs(&self, attrs: AttrWrapper) {
         if !attrs.is_empty()
-            && let attrs @ [.., last] = &*attrs.take_for_recovery(self.sess)
+            && let attrs @ [.., last] = &*attrs.take_for_recovery(self.psess)
         {
             if last.is_doc_comment() {
                 self.dcx().emit_err(errors::DocCommentDoesNotDocumentAnything {
@@ -494,7 +494,7 @@ impl<'a> Parser<'a> {
             // Do not suggest `if foo println!("") {;}` (as would be seen in test for #46836).
             Ok(Some(Stmt { kind: StmtKind::Empty, .. })) => {}
             Ok(Some(stmt)) => {
-                let stmt_own_line = self.sess.source_map().is_line_before_span_empty(sp);
+                let stmt_own_line = self.psess.source_map().is_line_before_span_empty(sp);
                 let stmt_span = if stmt_own_line && self.eat(&token::Semi) {
                     // Expand the span to include the semicolon.
                     stmt.span.with_hi(self.prev_token.span.hi())
@@ -613,7 +613,7 @@ impl<'a> Parser<'a> {
                                     Applicability::MaybeIncorrect,
                                 );
                             }
-                            if self.sess.unstable_features.is_nightly_build() {
+                            if self.psess.unstable_features.is_nightly_build() {
                                 // FIXME(Nilstrieb): Remove this again after a few months.
                                 err.note("type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>");
                             }
diff --git a/compiler/rustc_parse/src/parser/ty.rs b/compiler/rustc_parse/src/parser/ty.rs
index e3fe535bd5f..2385c18c089 100644
--- a/compiler/rustc_parse/src/parser/ty.rs
+++ b/compiler/rustc_parse/src/parser/ty.rs
@@ -397,7 +397,7 @@ impl<'a> Parser<'a> {
         let (fields, _recovered) =
             self.parse_record_struct_body(if is_union { "union" } else { "struct" }, lo, false)?;
         let span = lo.to(self.prev_token.span);
-        self.sess.gated_spans.gate(sym::unnamed_fields, span);
+        self.psess.gated_spans.gate(sym::unnamed_fields, span);
         let id = ast::DUMMY_NODE_ID;
         let kind =
             if is_union { TyKind::AnonUnion(id, fields) } else { TyKind::AnonStruct(id, fields) };
@@ -694,7 +694,7 @@ impl<'a> Parser<'a> {
 
         // parse dyn* types
         let syntax = if self.eat(&TokenKind::BinOp(token::Star)) {
-            self.sess.gated_spans.gate(sym::dyn_star, lo.to(self.prev_token.span));
+            self.psess.gated_spans.gate(sym::dyn_star, lo.to(self.prev_token.span));
             TraitObjectSyntax::DynStar
         } else {
             TraitObjectSyntax::Dyn
@@ -874,10 +874,10 @@ impl<'a> Parser<'a> {
             let tilde = self.prev_token.span;
             self.expect_keyword(kw::Const)?;
             let span = tilde.to(self.prev_token.span);
-            self.sess.gated_spans.gate(sym::const_trait_impl, span);
+            self.psess.gated_spans.gate(sym::const_trait_impl, span);
             BoundConstness::Maybe(span)
         } else if self.eat_keyword(kw::Const) {
-            self.sess.gated_spans.gate(sym::const_trait_impl, self.prev_token.span);
+            self.psess.gated_spans.gate(sym::const_trait_impl, self.prev_token.span);
             BoundConstness::Always(self.prev_token.span)
         } else {
             BoundConstness::Never
@@ -886,7 +886,7 @@ impl<'a> Parser<'a> {
         let asyncness = if self.token.uninterpolated_span().at_least_rust_2018()
             && self.eat_keyword(kw::Async)
         {
-            self.sess.gated_spans.gate(sym::async_closure, self.prev_token.span);
+            self.psess.gated_spans.gate(sym::async_closure, self.prev_token.span);
             BoundAsyncness::Async(self.prev_token.span)
         } else if self.may_recover()
             && self.token.uninterpolated_span().is_rust_2015()
@@ -897,7 +897,7 @@ impl<'a> Parser<'a> {
                 span: self.prev_token.span,
                 help: HelpUseLatestEdition::new(),
             });
-            self.sess.gated_spans.gate(sym::async_closure, self.prev_token.span);
+            self.psess.gated_spans.gate(sym::async_closure, self.prev_token.span);
             BoundAsyncness::Async(self.prev_token.span)
         } else {
             BoundAsyncness::Normal
@@ -906,7 +906,7 @@ impl<'a> Parser<'a> {
         let polarity = if self.eat(&token::Question) {
             BoundPolarity::Maybe(self.prev_token.span)
         } else if self.eat(&token::Not) {
-            self.sess.gated_spans.gate(sym::negative_bounds, self.prev_token.span);
+            self.psess.gated_spans.gate(sym::negative_bounds, self.prev_token.span);
             BoundPolarity::Negative(self.prev_token.span)
         } else {
             BoundPolarity::Positive