davide authored Nov 02, 2020 and Marge Bot committed Nov 13, 2020

These are used to find the current roots of the garbage collector.

Co-authored-by: Sven Tennie's avatarSven Tennie <sven.tennie@gmail.com>
Co-authored-by: Matthew Pickering's avatarMatthew Pickering <matthewtpickering@gmail.com>
Co-authored-by: default avatarBen Gamari <bgamari.foss@gmail.com>