delayed-warnings-list

delayed-warnings-list is a variable defined in `C source code'.
Its value is

nil

Documentation:
List of warnings to be displayed after this command.
Each element must be a list (TYPE MESSAGE [LEVEL [BUFFER-NAME]]),
as per the args of `display-warning' (which see).
If this variable is non-nil, `delayed-warnings-hook' will be run
immediately after running `post-command-hook'.