support items that visible to the parent module

crates/ra_ide_api/src/references.rs

@@ -270,9 +270,8 @@ mod tests {
         assert_eq!(refs.len(), 3);
     }
 
-
     // `mod foo;` is not in the results because `foo` is an `ast::Name`.
-    // So, there are two references: the first one is a definition of the `foo` module, 
+    // So, there are two references: the first one is a definition of the `foo` module,
     // which is the whole `foo.rs`, and the second one is in `use foo::Foo`.
     #[test]
     fn test_find_all_refs_decl_module() {
@@ -297,6 +296,31 @@ mod tests {
         assert_eq!(refs.len(), 2);
     }
 
+    #[test]
+    fn test_find_all_refs_super_mod_vis() {
+        let code = r#"
+            //- /lib.rs
+            mod foo;
+
+            //- /foo.rs
+            mod some;
+            use some::Foo;
+
+            fn f() {
+                let i = Foo { n: 5 };
+            }
+
+            //- /foo/some.rs
+            pub(super) struct Foo<|> {
+                pub n: u32,
+            }
+        "#;
+
+        let (analysis, pos) = analysis_and_position(code);
+        let refs = analysis.find_all_refs(pos).unwrap().unwrap();
+        assert_eq!(refs.len(), 3);
+    }
+
     fn get_all_refs(text: &str) -> ReferenceSearchResult {
         let (analysis, position) = single_file_with_position(text);
         analysis.find_all_refs(position).unwrap().unwrap()