SWDEV-425640 - An instantiated graphExec should retain a copy of every reference in the source graph

Change-Id: Idf6b224449ca642af2860b33dc739f51a6248e4c

hipamd/src/hip_graph_internal.cpp

@@ -285,6 +285,10 @@ Graph* Graph::clone(std::unordered_map<Node, Node>& clonedNodes) const {
     }
     clonedNodes[node]->SetDependencies(clonedDependencies);
   }
+  for (auto userObj : graphUserObj_) {
+    userObj->retain();
+    newGraph->graphUserObj_.insert(userObj);
+  }
   return newGraph;
 }