Commits
Wes McKinney authored efa28a7cc32
ARROW-3393: [C++] Add missing override on virtual dtor in task-group.cc Author: Wes McKinney <wesm+git@apache.org> Closes #2678 from wesm/ARROW-3393 and squashes the following commits: 5fc19e153 <Wes McKinney> Add missing override on virtual dtor