Revert "Rollup merge of #154313 - mu001999-contrib:fix/154295, r=petrochenkov"

compiler/rustc_resolve/src/lib.rs

@@ -547,13 +547,6 @@ impl ModuleKind {
             ModuleKind::Def(.., name) => name,
         }
     }
-
-    fn opt_def_id(&self) -> Option<DefId> {
-        match self {
-            ModuleKind::Def(_, def_id, _) => Some(*def_id),
-            _ => None,
-        }
-    }
 }
 
 /// Combination of a symbol and its macros 2.0 normalized hygiene context.
@@ -791,7 +784,10 @@ impl<'ra> Module<'ra> {
     }
 
     fn opt_def_id(self) -> Option<DefId> {
-        self.kind.opt_def_id()
+        match self.kind {
+            ModuleKind::Def(_, def_id, _) => Some(def_id),
+            _ => None,
+        }
     }
 
     // `self` resolves to the first module ancestor that `is_normal`.
@@ -1454,19 +1450,14 @@ impl<'ra> ResolverArenas<'ra> {
         &'ra self,
         parent: Option<Module<'ra>>,
         kind: ModuleKind,
-        vis: Visibility<DefId>,
         expn_id: ExpnId,
         span: Span,
         no_implicit_prelude: bool,
     ) -> Module<'ra> {
         let self_decl = match kind {
-            ModuleKind::Def(def_kind, def_id, _) => Some(self.new_def_decl(
-                Res::Def(def_kind, def_id),
-                vis,
-                span,
-                LocalExpnId::ROOT,
-                None,
-            )),
+            ModuleKind::Def(def_kind, def_id, _) => {
+                Some(self.new_pub_def_decl(Res::Def(def_kind, def_id), span, LocalExpnId::ROOT))
+            }
             ModuleKind::Block => None,
         };
         Module(Interned::new_unchecked(self.modules.alloc(ModuleData::new(
@@ -1648,7 +1639,6 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> {
         let graph_root = arenas.new_module(
             None,
             ModuleKind::Def(DefKind::Mod, root_def_id, None),
-            Visibility::Public,
             ExpnId::root(),
             crate_span,
             attr::contains_name(attrs, sym::no_implicit_prelude),
@@ -1658,7 +1648,6 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> {
         let empty_module = arenas.new_module(
             None,
             ModuleKind::Def(DefKind::Mod, root_def_id, None),
-            Visibility::Public,
             ExpnId::root(),
             DUMMY_SP,
             true,
@@ -1760,9 +1749,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> {
         span: Span,
         no_implicit_prelude: bool,
     ) -> Module<'ra> {
-        let vis =
-            kind.opt_def_id().map_or(Visibility::Public, |def_id| self.tcx.visibility(def_id));
-        let module = self.arenas.new_module(parent, kind, vis, expn_id, span, no_implicit_prelude);
+        let module = self.arenas.new_module(parent, kind, expn_id, span, no_implicit_prelude);
         self.local_modules.push(module);
         if let Some(def_id) = module.opt_def_id() {
             self.local_module_map.insert(def_id.expect_local(), module);
@@ -1778,9 +1765,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> {
         span: Span,
         no_implicit_prelude: bool,
     ) -> Module<'ra> {
-        let vis =
-            kind.opt_def_id().map_or(Visibility::Public, |def_id| self.tcx.visibility(def_id));
-        let module = self.arenas.new_module(parent, kind, vis, expn_id, span, no_implicit_prelude);
+        let module = self.arenas.new_module(parent, kind, expn_id, span, no_implicit_prelude);
         self.extern_module_map.borrow_mut().insert(module.def_id(), module);
         module
     }

tests/ui/use/use-path-segment-kw.rs

@@ -70,7 +70,7 @@ macro_rules! macro_dollar_crate {
 
 fn outer() {}
 
-pub mod foo {
+mod foo {
     pub mod bar {
         pub mod foobar {
             pub mod qux {