!14692 fix abs cache error for pynative

From: @chujinjin
Reviewed-by: 
Signed-off-by:

mindspore/ccsrc/pipeline/pynative/pynative_execute.cc

@@ -657,14 +657,17 @@ void ForwardExecutor::RunOpInner(py::object *ret, const OpExecInfoPtr &op_exec_i
   if (cnode != nullptr) {
     cnode->set_abstract(op_exec_info->abstract);
   }
-  std::string obj_id = GetId(out_real);
-  node_abs_map_[obj_id] = op_exec_info->abstract;
+
   // Save info for building grad graph
   if (grad()->grad_flag() && grad()->in_grad_process()) {
+    std::string obj_id = GetId(out_real);
+    node_abs_map_[obj_id] = op_exec_info->abstract;
     grad()->SaveOutputNodeMap(obj_id, out_real, cnode);
     grad()->SaveAllResult(op_exec_info, cnode, out_real);
     // Update the abstract and device address of value node with tensor in grad graph
     UpdateAbstractAndDeviceAddress(op_exec_info, out_real);
+  } else {
+    node_abs_map_.clear();
   }
   *ret = out_real;
 }
@@ -810,8 +813,8 @@ abstract::AbstractBasePtr ForwardExecutor::CheckConstValue(const PrimitivePyPtr
       MS_EXCEPTION_IF_NULL(new_abs);
       new_abs = new_abs->Broaden(config);
       MS_LOG(DEBUG) << "Broaden for " << prim->ToString() << " " << config;
+      node_abs_map_[id] = new_abs;
     }
-    node_abs_map_[id] = new_abs;
   }
   return new_abs;
 }