Rust: Handle pub extern crate in path resolution

Author: hvitved

rust/ql/lib/codeql/rust/internal/PathResolution.qll

@@ -276,7 +276,7 @@ abstract class ItemNode extends Locatable {
         result = use_.getASuccessor(name, kind, _)
       )
     or
-    exists(ExternCrateItemNode ec | result = ec.(ItemNode).getASuccessor(name, kind, useOpt) |
+    exists(ExternCrateItemNode ec | result = ec.getASuccessor(name, kind, useOpt) |
       ec = this.getASuccessor(_, _, _)
       or
       // if the extern crate appears in the crate root, then the crate name is also added
@@ -527,7 +527,7 @@ class ExternCrateItemNode extends ItemNode instanceof ExternCrate {
 
   override Namespace getNamespace() { none() }
 
-  override Visibility getVisibility() { none() }
+  override Visibility getVisibility() { result = ExternCrate.super.getVisibility() }
 
   override Attr getAnAttr() { result = ExternCrate.super.getAnAttr() }