python
diff --git a/‎Parser/asdl_c.py‎
Lines changed: 1 addition & 2 deletions b/‎Parser/asdl_c.py‎
Lines changed: 1 addition & 2 deletions
@@ -535,8 +535,7 @@ def visitField(self, field, name, sum=None, prod=None, depth=0):
                       (field.type, field.name), depth+1)
             self.emit("if (res != 0) goto failed;", depth+1)
 
-        self.emit("Py_XDECREF(tmp);", depth+1)
-        self.emit("tmp = NULL;", depth+1)
+        self.emit("Py_CLEAR(tmp);", depth+1)
         self.emit("} else {", depth)
         if not field.opt:
             message = "required field \\\"%s\\\" missing from %s" % (field.name, name)