Unified: Consider all class-like decls as static members in name binding

Author: hvitved

unified/ql/lib/codeql/unified/internal/NameBindingPlugin.qll

@@ -99,7 +99,8 @@ predicate isStaticMember(Member member) {
   exists(ClassLikeDeclaration cls | cls.getAMember() = member |
     not any(NameBindingPlugin p).isInstanceMember(cls, member) or
     member instanceof ConstructorDeclaration or
-    member instanceof TypeAliasDeclaration
+    member instanceof TypeAliasDeclaration or
+    member instanceof ClassLikeDeclaration
   )
   or
   member = any(TopLevel t).getBody().getAStmt()

unified/ql/test/library-tests/static-name-binding/test.swift

@@ -14,7 +14,7 @@ let x1: B = nil  // $ access=top.B
 let x2: A.B = nil  // $ access=A access=A.B
 let x3: A.B.C = nil  // $ access=A access=A.B access=A.B.C
 let x4: A.BAlias.C = nil  // $ access=A access=A.BAlias access=A.B.C
-let x5 = A.Enum.empty  // $ access=A $ MISSING: access=A.Enum access=A.Enum.empty
+let x5 = A.Enum.empty  // $ access=A access=A.Enum access=A.Enum.empty
 
 class D {
     let x1: B = nil  // $ access=top.B