I conform that the modification on line 92 dows the trick for my ryzen 3600. Now working. The packager for Archlinux has already included this patch in the a23.1-6 version of 0ad
Please report back if you have any bugs with the patch.
(@OptimusShepard got an OOM after about 30 minutes when playing on a big map with 8 AIs that might be related to this issue.)
