Merge branch 'feature/shut-up-compiler-warnings-gcc8' into 'master'

Get rid of shadowed/unused variable/typedef gcc-8 warnings

See merge request !445 (merged)

(cherry picked from commit b04092da)

4a990c33 Get rid of shadowed/unused variable/typedef gcc-8 warnings

enabled an automatic merge when the pipeline for e1ed8634 succeeds

merged

mentioned in commit 990a40b2