Windows 10 x64
Intel i5 7600k
EVGA 970 SC 4gb.
Broken: Blender 2.80 6f8a141
Short description of error
when scaling to 0,0,0 a bone and then 'apply pose as rest pose' blender will crash
Exact steps for others to reproduce the error
make a 2 pieces armature
make one of the bones 0,0,0 in scale on the bone properties
select the pose and 'apply as rest pose'