Commit e910a1aef4b2413c627240fc06d2a5696b24747a

Behdad Esfahbod 2018-09-30T05:46:20

[util] Add empty virtual destructor to option_group_t From clang -Weverything bot: ./options.hh:57:8: warning: 'option_group_t' has virtual functions but non-virtual destructor [-Wnon-virtual-dtor] struct option_group_t ^