Cannot merge merge request if "Pipelines must succeed" is enabled and there is no pipeline to run

When the option "Pipelines must succeed" is enabled is the Merge Requests settings, a merge request opened that do not trigger a pipeline cannot be merged.

I would expect merge request without pipeline to run to validate the check anyway since there is no pipeline to run it can be considered as a success, right ?

Settings :

Merge request :

I would