minor, properly clone and delete comboLegs

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
hygiene, warn--, mark unused parameters UNUSED

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'code/hygiene' into next

* code/hygiene:
  hygiene, warn--, mark unused parameters UNUSED
  minor, properly clone and delete comboLegs
Merge branch 'next'

* next:
  hygiene, warn--, mark unused parameters UNUSED
  minor, properly clone and delete comboLegs