Fix klocwork issues (#4479)

src/ngraph/node_output.cpp

@@ -130,7 +130,7 @@ namespace ngraph
     {
         if (remove_goe)
         {
-            while (auto goe = as_type_ptr<op::GetOutputElement>(m_node))
+            while (is_type<op::GetOutputElement>(m_node))
             {
                 *this = m_node->input_value(0);
             }
@@ -214,7 +214,7 @@ namespace ngraph
     {
         if (remove_goe)
         {
-            while (auto goe = as_type_ptr<const op::GetOutputElement>(m_node))
+            while (is_type<const op::GetOutputElement>(m_node))
             {
                 auto value = m_node->input_value(0);
                 m_node = value.get_node_shared_ptr();

test/type_prop/top_k.cpp

@@ -121,7 +121,7 @@ TEST(type_prop, topk_rank_dynamic_ok)
         auto badout = Output<Node>(topk);
         FAIL() << "No default output for topk";
     }
-    catch (const NodeValidationFailure& error)
+    catch (const NodeValidationFailure&)
     {
     }
 }