Get rid unused/shadowed variable compiler warnings.

Eases life of downstream developers that are fond of using warnings to find faulty code.

changed milestone to %DUNE 2.8.0

added 1 commit

• a2cf2604 - Get rid unused/shadowed variable compiler warnings.

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merged

mentioned in commit 8a765857

picked the changes into the branch cherry-pick-8a765857 with commit d6d92874

mentioned in commit d6d92874

mentioned in merge request !182 (merged)