Add comment mod-pub-access.rs

Author: reddevilmidzy

tests/ui/modules/mod-pub-access.rs

@@ -1,4 +1,8 @@
 //@ run-pass
+// This is a name resolution smoke test that ensures paths with more than one
+// segment (e.g., `foo::bar`) resolve correctly.
+// It also serves as a basic visibility test — confirming that a `pub` item
+// inside a private module can still be accessed from outside that module.
 
 mod foo {
     pub fn bar(_offset: usize) {}