Fix wrongly pushing down from_glob when visiting_mod_contents

Signed-off-by: longfangsong <[email protected]>

Author: longfangsong

src/librustdoc/doctree.rs

@@ -98,6 +98,7 @@ impl Module<'hir> {
                         }
                     }
                     (false, false) => {
+                        error!("push_item: {:?} conflict with {:?}", existing_item, new_item);
                         // should report "defined multiple time" error before reach this
                         unreachable!()
                     }
@@ -142,6 +143,7 @@ impl Module<'hir> {
                     return;
                 }
                 (false, false) => {
+                    error!("push_mod: {:?} conflict with {:?}", existing_mod.name, new_mod.name);
                     // should report "defined multiple time" error before reach this
                     unreachable!()
                 }

src/librustdoc/visit_ast.rs

@@ -316,14 +316,10 @@ impl<'a, 'tcx> RustdocVisitor<'a, 'tcx> {
                 om.push_item(self.cx, Item::new(item, renamed, from_glob))
             }
             hir::ItemKind::Mod(ref m) => {
-                om.push_mod(self.visit_mod_contents(
-                    item.span,
-                    &item.vis,
-                    item.hir_id(),
-                    m,
-                    name,
-                    from_glob,
-                ));
+                let mut mod_ =
+                    self.visit_mod_contents(item.span, &item.vis, item.hir_id(), m, name, false);
+                mod_.from_glob = from_glob;
+                om.push_mod(mod_);
             }
             hir::ItemKind::Fn(..)
             | hir::ItemKind::ExternCrate(..)

src/test/rustdoc/glob-shadowing.rs

@@ -1,11 +1,18 @@
 // @has 'glob_shadowing/index.html'
-// @count - '//tr[@class="module-item"]' 4
+// @count - '//tr[@class="module-item"]' 5
 // @!has - '//tr[@class="module-item"]' 'sub1::describe'
+// @has - '//tr[@class="module-item"]' 'sub2::describe'
+
 // @!has - '//tr[@class="module-item"]' 'sub1::describe2'
+
+// @!has - '//tr[@class="module-item"]' 'sub1::prelude'
 // @has - '//tr[@class="module-item"]' 'mod::prelude'
-// @has - '//tr[@class="module-item"]' 'sub2::describe'
+
 // @has - '//tr[@class="module-item"]' 'sub1::Foo (struct)'
 // @has - '//tr[@class="module-item"]' 'mod::Foo (function)'
+
+// @has - '//tr[@class="module-item"]' 'sub4::inner::X'
+
 // @has 'glob_shadowing/fn.describe.html'
 // @has - '//div[@class="docblock"]' 'sub2::describe'
 
@@ -19,10 +26,9 @@ mod sub1 {
     // this should be shadowed by mod::prelude
     /// sub1::prelude
     pub mod prelude {
-        pub use super::describe;
     }
 
-    // this should *not* be shadowed, because sub1::Foo and mod::Foo are in different namespace
+    // this should *not* be shadowed, because sub1::Foo and mod::Foo are in different namespaces
     /// sub1::Foo (struct)
     pub struct Foo;
 
@@ -50,8 +56,16 @@ mod sub3 {
     }
 }
 
-/// mod::prelude
-pub mod prelude {}
+mod sub4 {
+    // this should be shadowed by sub4::inner::X
+    /// sub4::X
+    pub const X: usize = 0;
+    pub mod inner {
+        pub use super::*;
+        /// sub4::inner::X
+        pub const X: usize = 1;
+    }
+}
 
 /// mod::Foo (function)
 pub fn Foo() {}
@@ -64,3 +78,9 @@ pub use sub1::*;
 
 #[doc(inline)]
 pub use sub3::*;
+
+#[doc(inline)]
+pub use sub4::inner::*;
+
+/// mod::prelude
+pub mod prelude {}