Auxilliary output for invalid geometries?

[afrigeri]

It would be very helpful to have an optional auxilliary output layer with only invalid geometries, so the user can concentrate on fixing them one at a time (after using automated tools):

Collecting lines…
Feature (83) from “output” has invalid geometry and has been skipped. Please fix the geometry or change the Processing setting to the “Ignore invalid input features” option.
Feature (87) from “output” has invalid geometry and has been skipped. Please fix the geometry or change the Processing setting to the “Ignore invalid input features” option.
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to be filed under: Feature request / enhancement