QL: better support for getType on super

Author: erik-krogh

ql/src/codeql_ql/ast/Ast.qll

@@ -1765,8 +1765,7 @@ class Super extends TSuper, Expr {
   override string getAPrimaryQlClass() { result = "Super" }
 
   override Type getType() {
-    exists(TypeExpr te | ref.getChild(0) = toQL(te) | result = te.getResolvedType())
-    // TODO: Also resolve the type when there is no TypeExpr.
+    exists(MemberCall call | call.getBase() = this | result = call.getTarget().getDeclaringType())
   }
 }
 

ql/test/type/type.expected

@@ -50,4 +50,5 @@
 | Test.qll:24:24:24:33 | Super | Test.qll:15:1:19:1 | Base |
 | Test.qll:24:24:24:39 | MemberCall | file://:0:0:0:0 | int |
 | Test.qll:26:16:26:21 | result | file://:0:0:0:0 | int |
+| Test.qll:26:25:26:29 | Super | Test.qll:15:1:19:1 | Base |
 | Test.qll:26:25:26:35 | MemberCall | file://:0:0:0:0 | int |