Do not mention a reexported item if it's private

src/test/ui/resolve/issue-90113.rs

@@ -0,0 +1,21 @@
+mod list {
+    pub use self::List::Cons;
+
+    pub enum List<T> {
+        Cons(T, Box<List<T>>),
+    }
+}
+
+mod alias {
+    use crate::list::List;
+
+    pub type Foo = List<String>;
+}
+
+fn foo(l: crate::alias::Foo) {
+    match l {
+        Cons(..) => {} //~ ERROR: cannot find tuple struct or tuple variant `Cons` in this scope
+    }
+}
+
+fn main() {}

src/test/ui/resolve/issue-90113.stderr

@@ -0,0 +1,14 @@
+error[E0531]: cannot find tuple struct or tuple variant `Cons` in this scope
+  --> $DIR/issue-90113.rs:17:9
+   |
+LL |         Cons(..) => {}
+   |         ^^^^ not found in this scope
+   |
+help: consider importing this tuple variant
+   |
+LL | use list::List::Cons;
+   |
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0531`.