Rollup merge of rust-lang#99729 - cjgillot:rm-unused-tuple, r=michaelwoerister

Remove unused tuple fields

Found by rust-lang#95977

Author: matthiaskrgr

compiler/rustc_infer/src/infer/error_reporting/mod.rs

@@ -2412,9 +2412,9 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
         #[derive(Debug)]
         enum SubOrigin<'hir> {
             GAT(&'hir hir::Generics<'hir>),
-            Impl(&'hir hir::Generics<'hir>),
-            Trait(&'hir hir::Generics<'hir>),
-            Fn(&'hir hir::Generics<'hir>),
+            Impl,
+            Trait,
+            Fn,
             Unknown,
         }
         let sub_origin = 'origin: {
@@ -2429,34 +2429,30 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
                                         kind: hir::ImplItemKind::TyAlias(..),
                                         generics,
                                         ..
-                                    }) => SubOrigin::GAT(generics),
-                                    Node::ImplItem(hir::ImplItem {
-                                        kind: hir::ImplItemKind::Fn(..),
-                                        generics,
-                                        ..
-                                    }) => SubOrigin::Fn(generics),
-                                    Node::TraitItem(hir::TraitItem {
+                                    })
+                                    | Node::TraitItem(hir::TraitItem {
                                         kind: hir::TraitItemKind::Type(..),
                                         generics,
                                         ..
                                     }) => SubOrigin::GAT(generics),
-                                    Node::TraitItem(hir::TraitItem {
-                                        kind: hir::TraitItemKind::Fn(..),
-                                        generics,
+                                    Node::ImplItem(hir::ImplItem {
+                                        kind: hir::ImplItemKind::Fn(..),
                                         ..
-                                    }) => SubOrigin::Fn(generics),
-                                    Node::Item(hir::Item {
-                                        kind: hir::ItemKind::Trait(_, _, generics, _, _),
+                                    })
+                                    | Node::TraitItem(hir::TraitItem {
+                                        kind: hir::TraitItemKind::Fn(..),
                                         ..
-                                    }) => SubOrigin::Trait(generics),
+                                    })
+                                    | Node::Item(hir::Item {
+                                        kind: hir::ItemKind::Fn(..), ..
+                                    }) => SubOrigin::Fn,
                                     Node::Item(hir::Item {
-                                        kind: hir::ItemKind::Impl(hir::Impl { generics, .. }),
+                                        kind: hir::ItemKind::Trait(..),
                                         ..
-                                    }) => SubOrigin::Impl(generics),
+                                    }) => SubOrigin::Trait,
                                     Node::Item(hir::Item {
-                                        kind: hir::ItemKind::Fn(_, generics, _),
-                                        ..
-                                    }) => SubOrigin::Fn(generics),
+                                        kind: hir::ItemKind::Impl(..), ..
+                                    }) => SubOrigin::Impl,
                                     _ => continue,
                                 };
                             }

compiler/rustc_resolve/src/build_reduced_graph.rs

@@ -524,7 +524,7 @@ impl<'a, 'b> BuildReducedGraphVisitor<'a, 'b> {
                         let crate_root = self.r.resolve_crate_root(source.ident);
                         let crate_name = match crate_root.kind {
                             ModuleKind::Def(.., name) => name,
-                            ModuleKind::Block(..) => unreachable!(),
+                            ModuleKind::Block => unreachable!(),
                         };
                         // HACK(eddyb) unclear how good this is, but keeping `$crate`
                         // in `source` breaks `src/test/ui/imports/import-crate-var.rs`,
@@ -936,7 +936,7 @@ impl<'a, 'b> BuildReducedGraphVisitor<'a, 'b> {
         if self.block_needs_anonymous_module(block) {
             let module = self.r.new_module(
                 Some(parent),
-                ModuleKind::Block(block.id),
+                ModuleKind::Block,
                 expansion.to_expn_id(),
                 block.span,
                 parent.no_implicit_prelude,

compiler/rustc_resolve/src/diagnostics.rs

@@ -163,7 +163,7 @@ impl<'a> Resolver<'a> {
 
         let container = match parent.kind {
             ModuleKind::Def(kind, _, _) => kind.descr(parent.def_id()),
-            ModuleKind::Block(..) => "block",
+            ModuleKind::Block => "block",
         };
 
         let old_noun = match old_binding.is_import() {

compiler/rustc_resolve/src/ident.rs

@@ -218,7 +218,7 @@ impl<'a> Resolver<'a> {
             return Some((self.expn_def_scope(ctxt.remove_mark()), None));
         }
 
-        if let ModuleKind::Block(..) = module.kind {
+        if let ModuleKind::Block = module.kind {
             return Some((module.parent.unwrap().nearest_item_scope(), None));
         }
 
@@ -333,7 +333,7 @@ impl<'a> Resolver<'a> {
             };
 
             match module.kind {
-                ModuleKind::Block(..) => {} // We can see through blocks
+                ModuleKind::Block => {} // We can see through blocks
                 _ => break,
             }
 

compiler/rustc_resolve/src/late/diagnostics.rs

@@ -1444,7 +1444,7 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> {
                     // Items from this module
                     self.r.add_module_candidates(module, &mut names, &filter_fn);
 
-                    if let ModuleKind::Block(..) = module.kind {
+                    if let ModuleKind::Block = module.kind {
                         // We can see through blocks
                     } else {
                         // Items from the prelude

compiler/rustc_resolve/src/lib.rs

@@ -437,7 +437,7 @@ enum ModuleKind {
     ///     f(); // Resolves to (1)
     /// }
     /// ```
-    Block(NodeId),
+    Block,
     /// Any module with a name.
     ///
     /// This could be:
@@ -454,7 +454,7 @@ impl ModuleKind {
     /// Get name of the module.
     pub fn name(&self) -> Option<Symbol> {
         match self {
-            ModuleKind::Block(..) => None,
+            ModuleKind::Block => None,
             ModuleKind::Def(.., name) => Some(*name),
         }
     }
@@ -530,7 +530,7 @@ impl<'a> ModuleData<'a> {
     ) -> Self {
         let is_foreign = match kind {
             ModuleKind::Def(_, def_id, _) => !def_id.is_local(),
-            ModuleKind::Block(_) => false,
+            ModuleKind::Block => false,
         };
         ModuleData {
             parent,