Auto merge of rust-lang#137163 - matthiaskrgr:rollup-ovgfkns, r=matth…

…iaskrgr

Rollup of 7 pull requests

Successful merges:

 - rust-lang#136466 (Start removing `rustc_middle::hir::map::Map`)
 - rust-lang#136671 (Overhaul `rustc_middle::limits`)
 - rust-lang#136817 (Pattern Migration 2024: clean up and comment)
 - rust-lang#136844 (Use `const_error!` when possible)
 - rust-lang#137080 (bootstrap: add more tracing to compiler/std/llvm flows)
 - rust-lang#137101 (`invalid_from_utf8[_unchecked]`: also lint inherent methods)
 - rust-lang#137140 (Fix const items not being allowed to be called `r#move` or `r#static`)

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

compiler/rustc_ast_lowering/src/lib.rs

@@ -407,7 +407,7 @@ fn compute_hir_hash(
         .iter_enumerated()
         .filter_map(|(def_id, info)| {
             let info = info.as_owner()?;
-            let def_path_hash = tcx.hir().def_path_hash(def_id);
+            let def_path_hash = tcx.hir_def_path_hash(def_id);
             Some((def_path_hash, info))
         })
         .collect();
@@ -497,7 +497,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
             "adding a def'n for node-id {:?} and def kind {:?} but a previous def'n exists: {:?}",
             node_id,
             def_kind,
-            self.tcx.hir().def_key(self.local_def_id(node_id)),
+            self.tcx.hir_def_key(self.local_def_id(node_id)),
         );
 
         let def_id = self.tcx.at(span).create_def(parent, name, def_kind).def_id();

compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs

@@ -14,7 +14,7 @@ use rustc_errors::codes::*;
 use rustc_errors::{Applicability, Diag, MultiSpan, struct_span_code_err};
 use rustc_hir as hir;
 use rustc_hir::def::{DefKind, Res};
-use rustc_hir::intravisit::{Map, Visitor, walk_block, walk_expr};
+use rustc_hir::intravisit::{Visitor, walk_block, walk_expr};
 use rustc_hir::{CoroutineDesugaring, CoroutineKind, CoroutineSource, LangItem, PatField};
 use rustc_middle::bug;
 use rustc_middle::hir::nested_filter::OnlyBodies;
@@ -348,13 +348,13 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
             expr: Option<&'hir hir::Expr<'hir>>,
             pat: Option<&'hir hir::Pat<'hir>>,
             parent_pat: Option<&'hir hir::Pat<'hir>>,
-            hir: rustc_middle::hir::map::Map<'hir>,
+            tcx: TyCtxt<'hir>,
         }
         impl<'hir> Visitor<'hir> for ExpressionFinder<'hir> {
             type NestedFilter = OnlyBodies;
 
-            fn nested_visit_map(&mut self) -> Self::Map {
-                self.hir
+            fn maybe_tcx(&mut self) -> Self::MaybeTyCtxt {
+                self.tcx
             }
 
             fn visit_expr(&mut self, e: &'hir hir::Expr<'hir>) {
@@ -396,7 +396,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
                 expr: None,
                 pat: None,
                 parent_pat: None,
-                hir,
+                tcx: self.infcx.tcx,
             };
             finder.visit_expr(expr);
             if let Some(span) = span
@@ -1082,7 +1082,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
                 ] {
                     for (destination, sp) in elements {
                         if let Ok(hir_id) = destination.target_id
-                            && let hir::Node::Expr(expr) = tcx.hir().hir_node(hir_id)
+                            && let hir::Node::Expr(expr) = tcx.hir_node(hir_id)
                             && !matches!(
                                 sp.desugaring_kind(),
                                 Some(DesugaringKind::ForLoop | DesugaringKind::WhileLoop)
@@ -1437,7 +1437,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
         let Some(hir_generics) = tcx
             .typeck_root_def_id(self.mir_def_id().to_def_id())
             .as_local()
-            .and_then(|def_id| tcx.hir().get_generics(def_id))
+            .and_then(|def_id| tcx.hir_get_generics(def_id))
         else {
             return;
         };
@@ -1889,7 +1889,6 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
 
     fn suggest_copy_for_type_in_cloned_ref(&self, err: &mut Diag<'infcx>, place: Place<'tcx>) {
         let tcx = self.infcx.tcx;
-        let hir = tcx.hir();
         let Some(body_id) = tcx.hir_node(self.mir_hir_id()).body_id() else { return };
 
         struct FindUselessClone<'tcx> {
@@ -1917,7 +1916,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
 
         let mut expr_finder = FindUselessClone::new(tcx, self.mir_def_id());
 
-        let body = hir.body(body_id).value;
+        let body = tcx.hir_body(body_id).value;
         expr_finder.visit_expr(body);
 
         struct Holds<'tcx> {
@@ -2106,7 +2105,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
         let tcx = self.infcx.tcx;
         let body_id = tcx.hir_node(self.mir_hir_id()).body_id()?;
         let mut expr_finder = FindExprBySpan::new(span, tcx);
-        expr_finder.visit_expr(tcx.hir().body(body_id).value);
+        expr_finder.visit_expr(tcx.hir_body(body_id).value);
         expr_finder.result
     }
 
@@ -2258,7 +2257,6 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
     ) {
         let issue_span = issued_spans.args_or_use();
         let tcx = self.infcx.tcx;
-        let hir = tcx.hir();
 
         let Some(body_id) = tcx.hir_node(self.mir_hir_id()).body_id() else { return };
         let typeck_results = tcx.typeck(self.mir_def_id());
@@ -2346,7 +2344,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
             pat_span: None,
             head: None,
         };
-        finder.visit_expr(hir.body(body_id).value);
+        finder.visit_expr(tcx.hir_body(body_id).value);
 
         if let Some(body_expr) = finder.body_expr
             && let Some(loop_span) = finder.loop_span
@@ -2454,10 +2452,10 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
         // Get the body the error happens in
         let Some(body_id) = tcx.hir_node(self.mir_hir_id()).body_id() else { return };
 
-        let body_expr = hir.body(body_id).value;
+        let body_expr = tcx.hir_body(body_id).value;
 
         struct ClosureFinder<'hir> {
-            hir: rustc_middle::hir::map::Map<'hir>,
+            tcx: TyCtxt<'hir>,
             borrow_span: Span,
             res: Option<(&'hir hir::Expr<'hir>, &'hir hir::Closure<'hir>)>,
             /// The path expression with the `borrow_span` span
@@ -2466,8 +2464,8 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
         impl<'hir> Visitor<'hir> for ClosureFinder<'hir> {
             type NestedFilter = OnlyBodies;
 
-            fn nested_visit_map(&mut self) -> Self::Map {
-                self.hir
+            fn maybe_tcx(&mut self) -> Self::MaybeTyCtxt {
+                self.tcx
             }
 
             fn visit_expr(&mut self, ex: &'hir hir::Expr<'hir>) {
@@ -2493,7 +2491,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
 
         // Find the closure that most tightly wraps `capture_kind_span`
         let mut finder =
-            ClosureFinder { hir, borrow_span: capture_kind_span, res: None, error_path: None };
+            ClosureFinder { tcx, borrow_span: capture_kind_span, res: None, error_path: None };
         finder.visit_expr(body_expr);
         let Some((closure_expr, closure)) = finder.res else { return };
 
@@ -2558,7 +2556,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
             }
 
             let mut finder = VariableUseFinder { local_id, spans: Vec::new() };
-            finder.visit_expr(hir.body(closure.body).value);
+            finder.visit_expr(tcx.hir_body(closure.body).value);
 
             spans = finder.spans;
         } else {
@@ -3211,7 +3209,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
                 if let Some(scope) = self.body.source_scopes.get(source_info.scope)
                     && let ClearCrossCrate::Set(scope_data) = &scope.local_data
                     && let Some(id) = self.infcx.tcx.hir_node(scope_data.lint_root).body_id()
-                    && let hir::ExprKind::Block(block, _) = self.infcx.tcx.hir().body(id).value.kind
+                    && let hir::ExprKind::Block(block, _) = self.infcx.tcx.hir_body(id).value.kind
                 {
                     for stmt in block.stmts {
                         let mut visitor = NestedStatementVisitor {

compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs

@@ -75,10 +75,10 @@ impl<'tcx> BorrowExplanation<'tcx> {
 
         if let Some(span) = borrow_span {
             let def_id = body.source.def_id();
-            if let Some(node) = tcx.hir().get_if_local(def_id)
+            if let Some(node) = tcx.hir_get_if_local(def_id)
                 && let Some(body_id) = node.body_id()
             {
-                let body = tcx.hir().body(body_id);
+                let body = tcx.hir_body(body_id);
                 let mut expr_finder = FindExprBySpan::new(span, tcx);
                 expr_finder.visit_expr(body.value);
                 if let Some(mut expr) = expr_finder.result {
@@ -256,8 +256,8 @@ impl<'tcx> BorrowExplanation<'tcx> {
 
                         impl<'hir> rustc_hir::intravisit::Visitor<'hir> for FindLetExpr<'hir> {
                             type NestedFilter = rustc_middle::hir::nested_filter::OnlyBodies;
-                            fn nested_visit_map(&mut self) -> Self::Map {
-                                self.tcx.hir()
+                            fn maybe_tcx(&mut self) -> Self::MaybeTyCtxt {
+                                self.tcx
                             }
                             fn visit_expr(&mut self, expr: &'hir hir::Expr<'hir>) {
                                 if let hir::ExprKind::If(cond, _conseq, _alt)
@@ -308,9 +308,9 @@ impl<'tcx> BorrowExplanation<'tcx> {
                             suggest_rewrite_if_let(tcx, expr, &pat, init, conseq, alt, err);
                         } else if let Some((old, new)) = multiple_borrow_span
                             && let def_id = body.source.def_id()
-                            && let Some(node) = tcx.hir().get_if_local(def_id)
+                            && let Some(node) = tcx.hir_get_if_local(def_id)
                             && let Some(body_id) = node.body_id()
-                            && let hir_body = tcx.hir().body(body_id)
+                            && let hir_body = tcx.hir_body(body_id)
                             && let mut expr_finder = (FindLetExpr { span: old, result: None, tcx })
                             && let Some((let_expr_span, let_expr_pat, let_expr_init)) = {
                                 expr_finder.visit_expr(hir_body.value);

compiler/rustc_borrowck/src/diagnostics/mod.rs

@@ -1220,7 +1220,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
                             .tcx
                             .typeck_root_def_id(self.mir_def_id().to_def_id())
                             .as_local()
-                            .and_then(|def_id| self.infcx.tcx.hir().get_generics(def_id))
+                            .and_then(|def_id| self.infcx.tcx.hir_get_generics(def_id))
                         && let spans = hir_generics
                             .predicates
                             .iter()

compiler/rustc_borrowck/src/diagnostics/move_errors.rs

@@ -7,7 +7,7 @@ use rustc_hir::intravisit::Visitor;
 use rustc_hir::{self as hir, CaptureBy, ExprKind, HirId, Node};
 use rustc_middle::bug;
 use rustc_middle::mir::*;
-use rustc_middle::ty::{self, Ty};
+use rustc_middle::ty::{self, Ty, TyCtxt};
 use rustc_mir_dataflow::move_paths::{LookupResult, MovePathIndex};
 use rustc_span::{BytePos, ExpnKind, MacroKind, Span};
 use rustc_trait_selection::error_reporting::traits::FindExprBySpan;
@@ -347,7 +347,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
         // Find the closure that captured the binding.
         let mut expr_finder = FindExprBySpan::new(args_span, tcx);
         expr_finder.include_closures = true;
-        expr_finder.visit_expr(tcx.hir().body(body_id).value);
+        expr_finder.visit_expr(tcx.hir_body(body_id).value);
         let Some(closure_expr) = expr_finder.result else { return };
         let ExprKind::Closure(closure) = closure_expr.kind else { return };
         // We'll only suggest cloning the binding if it's a `move` closure.
@@ -357,7 +357,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
         let use_span = use_spans.var_or_use();
         let mut expr_finder = FindExprBySpan::new(use_span, tcx);
         expr_finder.include_closures = true;
-        expr_finder.visit_expr(tcx.hir().body(body_id).value);
+        expr_finder.visit_expr(tcx.hir_body(body_id).value);
         let Some(use_expr) = expr_finder.result else { return };
         let parent = tcx.parent_hir_node(use_expr.hir_id);
         if let Node::Expr(expr) = parent
@@ -690,7 +690,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
         /// make it bind by reference instead (if possible)
         struct BindingFinder<'tcx> {
             typeck_results: &'tcx ty::TypeckResults<'tcx>,
-            hir: rustc_middle::hir::map::Map<'tcx>,
+            tcx: TyCtxt<'tcx>,
             /// Input: the span of the pattern we're finding bindings in
             pat_span: Span,
             /// Input: the spans of the bindings we're providing suggestions for
@@ -709,8 +709,8 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
         impl<'tcx> Visitor<'tcx> for BindingFinder<'tcx> {
             type NestedFilter = rustc_middle::hir::nested_filter::OnlyBodies;
 
-            fn nested_visit_map(&mut self) -> Self::Map {
-                self.hir
+            fn maybe_tcx(&mut self) -> Self::MaybeTyCtxt {
+                self.tcx
             }
 
             fn visit_expr(&mut self, ex: &'tcx hir::Expr<'tcx>) -> Self::Result {
@@ -782,7 +782,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
         let typeck_results = self.infcx.tcx.typeck(self.mir_def_id());
         let mut finder = BindingFinder {
             typeck_results,
-            hir,
+            tcx: self.infcx.tcx,
             pat_span,
             binding_spans,
             found_pat: false,

compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs

@@ -936,11 +936,12 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
     fn expected_fn_found_fn_mut_call(&self, err: &mut Diag<'_>, sp: Span, act: &str) {
         err.span_label(sp, format!("cannot {act}"));
 
-        let hir = self.infcx.tcx.hir();
+        let tcx = self.infcx.tcx;
+        let hir = tcx.hir();
         let closure_id = self.mir_hir_id();
-        let closure_span = self.infcx.tcx.def_span(self.mir_def_id());
-        let fn_call_id = self.infcx.tcx.parent_hir_id(closure_id);
-        let node = self.infcx.tcx.hir_node(fn_call_id);
+        let closure_span = tcx.def_span(self.mir_def_id());
+        let fn_call_id = tcx.parent_hir_id(closure_id);
+        let node = tcx.hir_node(fn_call_id);
         let def_id = hir.enclosing_body_owner(fn_call_id);
         let mut look_at_return = true;
 
@@ -951,7 +952,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
                 return None;
             };
 
-            let typeck_results = self.infcx.tcx.typeck(def_id);
+            let typeck_results = tcx.typeck(def_id);
 
             match kind {
                 hir::ExprKind::Call(expr, args) => {
@@ -980,7 +981,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
                 .map(|(pos, _)| pos)
                 .next();
 
-            let arg = match hir.get_if_local(callee_def_id) {
+            let arg = match tcx.hir_get_if_local(callee_def_id) {
                 Some(
                     hir::Node::Item(hir::Item {
                         ident, kind: hir::ItemKind::Fn { sig, .. }, ..
@@ -1022,7 +1023,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
         if look_at_return && hir.get_fn_id_for_return_block(closure_id).is_some() {
             // ...otherwise we are probably in the tail expression of the function, point at the
             // return type.
-            match self.infcx.tcx.hir_node_by_def_id(hir.get_parent_item(fn_call_id).def_id) {
+            match tcx.hir_node_by_def_id(hir.get_parent_item(fn_call_id).def_id) {
                 hir::Node::Item(hir::Item {
                     ident, kind: hir::ItemKind::Fn { sig, .. }, ..
                 })
@@ -1050,9 +1051,9 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
 
     fn suggest_using_iter_mut(&self, err: &mut Diag<'_>) {
         let source = self.body.source;
-        let hir = self.infcx.tcx.hir();
         if let InstanceKind::Item(def_id) = source.instance
-            && let Some(Node::Expr(hir::Expr { hir_id, kind, .. })) = hir.get_if_local(def_id)
+            && let Some(Node::Expr(hir::Expr { hir_id, kind, .. })) =
+                self.infcx.tcx.hir_get_if_local(def_id)
             && let ExprKind::Closure(hir::Closure { kind: hir::ClosureKind::Closure, .. }) = kind
             && let Node::Expr(expr) = self.infcx.tcx.parent_hir_node(*hir_id)
         {

compiler/rustc_borrowck/src/diagnostics/region_errors.rs

@@ -219,7 +219,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
         lower_bound: RegionVid,
     ) {
         let mut suggestions = vec![];
-        let hir = self.infcx.tcx.hir();
+        let tcx = self.infcx.tcx;
 
         // find generic associated types in the given region 'lower_bound'
         let gat_id_and_generics = self
@@ -228,12 +228,9 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
             .map(|placeholder| {
                 if let Some(id) = placeholder.bound.kind.get_id()
                     && let Some(placeholder_id) = id.as_local()
-                    && let gat_hir_id = self.infcx.tcx.local_def_id_to_hir_id(placeholder_id)
-                    && let Some(generics_impl) = self
-                        .infcx
-                        .tcx
-                        .parent_hir_node(self.infcx.tcx.parent_hir_id(gat_hir_id))
-                        .generics()
+                    && let gat_hir_id = tcx.local_def_id_to_hir_id(placeholder_id)
+                    && let Some(generics_impl) =
+                        tcx.parent_hir_node(tcx.parent_hir_id(gat_hir_id)).generics()
                 {
                     Some((gat_hir_id, generics_impl))
                 } else {
@@ -254,7 +251,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
                 };
                 if bound_generic_params
                     .iter()
-                    .rfind(|bgp| self.infcx.tcx.local_def_id_to_hir_id(bgp.def_id) == *gat_hir_id)
+                    .rfind(|bgp| tcx.local_def_id_to_hir_id(bgp.def_id) == *gat_hir_id)
                     .is_some()
                 {
                     for bound in *bounds {
@@ -270,7 +267,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
                 return;
             };
             diag.span_note(*trait_span, fluent::borrowck_limitations_implies_static);
-            let Some(generics_fn) = hir.get_generics(self.body.source.def_id().expect_local())
+            let Some(generics_fn) = tcx.hir_get_generics(self.body.source.def_id().expect_local())
             else {
                 return;
             };
@@ -1162,7 +1159,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
 
         if ocx.select_all_or_error().is_empty() && count > 0 {
             diag.span_suggestion_verbose(
-                tcx.hir().body(*body).value.peel_blocks().span.shrink_to_lo(),
+                tcx.hir_body(*body).value.peel_blocks().span.shrink_to_lo(),
                 fluent::borrowck_dereference_suggestion,
                 "*".repeat(count),
                 Applicability::MachineApplicable,

compiler/rustc_codegen_cranelift/src/driver/jit.rs

@@ -124,7 +124,7 @@ pub(crate) fn run_jit(tcx: TyCtxt<'_>, codegen_mode: CodegenMode, jit_args: Vec<
                     crate::constant::codegen_static(tcx, &mut jit_module, def_id);
                 }
                 MonoItem::GlobalAsm(item_id) => {
-                    let item = tcx.hir().item(item_id);
+                    let item = tcx.hir_item(item_id);
                     tcx.dcx().span_fatal(item.span, "Global asm is not supported in JIT mode");
                 }
             }

compiler/rustc_codegen_cranelift/src/global_asm.rs

@@ -15,7 +15,7 @@ use rustc_target::asm::InlineAsmArch;
 use crate::prelude::*;
 
 pub(crate) fn codegen_global_asm_item(tcx: TyCtxt<'_>, global_asm: &mut String, item_id: ItemId) {
-    let item = tcx.hir().item(item_id);
+    let item = tcx.hir_item(item_id);
     if let rustc_hir::ItemKind::GlobalAsm(asm) = item.kind {
         let is_x86 =
             matches!(tcx.sess.asm_arch.unwrap(), InlineAsmArch::X86 | InlineAsmArch::X86_64);