fix! calls to poly and non-poly member mixed up

Author: cargaji

sdg-core/src/main/java/es/upv/mist/slicing/graphs/ExpressionObjectTreeFinder.java

@@ -81,7 +81,7 @@ protected VariableAction locateVAVariableDeclarator(String realName) {
                 else if (foundDecl)
                     return lastDef;
             } else if (a.isDefinition() && a.getName().equals(root)) {
-                if (root.equals(realName) || a.hasTreeMember(realName))
+                if (root.equals(realName) || a.hasPolyTreeMember(realName))
                     lastDef = a;
             }
         }

sdg-core/src/main/java/es/upv/mist/slicing/graphs/jsysdg/JSysCFG.java

@@ -77,7 +77,7 @@ public List<VariableAction> findLastDefinitionOfObjectRoot(VariableAction usage)
     /** Given a field declaration, locate all definitions that affect the given member. */
     public List<VariableAction> findAllFutureObjectDefinitionsFor(VariableAction action) {
         List<VariableAction> list = new LinkedList<>();
-        Predicate<VariableAction> filter = a -> a.isDefinition() && a.getName().equals("this") && a.hasTreeMember(action.getName());
+        Predicate<VariableAction> filter = a -> a.isDefinition() && a.getName().equals("this") && a.hasPolyTreeMember(action.getName());
         findAllFutureVarActionsFor(new HashSet<>(), list, action.getGraphNode(), action, filter);
         return list;
     }