1 files changed, 12 insertions, 1 deletions
diff --git a/src/librustdoc/clean/types/tests.rs b/src/librustdoc/clean/types/tests.rs
index 20627c2cf..d8c91a968 100644
--- a/src/librustdoc/clean/types/tests.rs
+++ b/src/librustdoc/clean/types/tests.rs
@@ -10,7 +10,7 @@ use rustc_span::symbol::Symbol;
 fn create_doc_fragment(s: &str) -> Vec<DocFragment> {
     vec![DocFragment {
         span: DUMMY_SP,
-        parent_module: None,
+        item_id: None,
         doc: Symbol::intern(s),
         kind: DocFragmentKind::SugaredDoc,
         indent: 0,
@@ -69,3 +69,14 @@ fn should_not_trim() {
     run_test("\t    line1  \n\t    line2", "line1  \nline2");
     run_test("    \tline1  \n    \tline2", "line1  \nline2");
 }
+
+#[test]
+fn is_same_generic() {
+    use crate::clean::types::{PrimitiveType, Type};
+    use crate::formats::cache::Cache;
+    let cache = Cache::new(false);
+    let generic = Type::Generic(rustc_span::symbol::sym::Any);
+    let unit = Type::Primitive(PrimitiveType::Unit);
+    assert!(!generic.is_doc_subtype_of(&unit, &cache));
+    assert!(unit.is_doc_subtype_of(&generic, &cache));
+}